Bottle A contains 15% syrup. Bottle B cotains 40% syrup.When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first ? ...

A

AN

16 tháng 2 2017 - olm

Bottle A contains 15% syrup. Bottle B cotains 40% syrup.When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first ?
Answer :..............ml

#Toán lớp 8

0

Z

Zin

13 tháng 4 2017

.Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first?

#Toán lớp 8

0

VP

Vũ Phương Thảo

14 tháng 12 2017

Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first?
Answer: ..........ml.

#Toán lớp 8

0

IL

I lay my love on you

13 tháng 6 2018 - olm

bottle A contains 10% syrup.Bottle B contains 30% syrup.When trhe 2 bottle of syrup are mixed together , the syrup contest 25% and the total volume is 500 ml.How much syrup is in each bottle at first?

#Toán lớp 6

0

BT

Bùi Tấn Sỹ

10 tháng 4 2017

help Question 7: Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first? Let ABCD be a trapezoid with bases AB, CD and O be the intersection of AC and BD. If the areas of triangle OAB, triangle OCD are 16cm2, 40cm2respectively and M is the midpoint of BD, then the area of the triangle AMD is .........cm2. Question 14: Suppose that the polynomial...

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#Toán lớp 9

0

BT

Bùi Tấn Sỹ

7 tháng 4 2017

câu 1: A rectangle has a length of 60cm and a width of 30cm. It is cut into 2 indentical squares, 2 identical rectangles and a shaded small square. Find the area of the shaded square. Find the area of the shaded square. câu 2.The number of ordered pairs (x; y) where x, y ∈ N* such that x2y2 - 2(x + y) is perfect square is .......... câu 3.Let ABCD be the square with the side length 56cm. If E and F lie on CD, C respectively such that CF = 14cm and EAF = 45o then CE = ........cm. câu...

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câu 1: A rectangle has a length of 60cm and a width of 30cm. It is cut into 2 indentical squares, 2 identical rectangles and a shaded small square. Find the area of the shaded square.
Find the area of the shaded square.
Đề thi violympic toán tiếng anh lớp 8 vòng 10
câu 2.The number of ordered pairs (x; y) where x, y ∈ N* such that x²y² - 2(x + y) is perfect square is ..........

câu 3.Let ABCD be the square with the side length 56cm. If E and F lie on CD, C respectively such that CF = 14cm and EAF = 45^o then CE = ........cm.

câu 4.

Given P(x) = (x² - 1/2 x - 1/2)¹⁰⁰⁸
If P(x) = a₂₀₁₆x²⁰¹⁶ + a₂₀₁₅x²⁰¹⁵ + ..... + a₁x + a₀
then the value of the sum a₀ + a₂ + a₄ + .... + a₂₀₁₄ is ...........

Write your answer by decimal in simplest form câu 5.Let ABC be an isoceles triangle (AB = AC) and its area is 501cm². BD is the internal bisector of the angle ABC (D ∈ AC), E is a point on the opposite ray of CA such that CE = CB. I is a point on BC such that CI = 1/2 BI. The line EI meets AB at K, BD meets KC at H. Find the area of the triangle AHC. câu 6. all roots of the polynomial P(x) = x² + 5x - 1 are also roots of the polynomial Q(x) = x³ + ax² + bx + c then the value of a + b + 6c is ............ câu 7.Suppose that the polynomial f(x) = x⁵ - x⁴ - 4x³ + 2x² + 4x + 1 has 5 solutions x₁; x₂; x₃; x₄; x₅. The other polynomial k(x) = x² - 4.
Find the value of P = k(x₁) x k(x₂) x k(x₃) x k(x₄) x k(x₅) câu 8.The smallest value of

is ............. câu 9.Let ABCD be a trapezoid with bases AB, CD and O be the intersection of AC and BD. If the areas of triangle OAB, triangle OCD are 16cm², 40cm²respectively and M is the midpoint of BD, then the area of the triangle AMD is .........cm². câu 10.Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first? câu 11.Let ABCD.A'B'C'D' be a cube with AC' = √3cm. Find the total surface area of this cube. câu 12.Let ABC be a triangle with AB = 3cm, AC = 7cm. The internal bisector of the angle BAC intersects BC at D. The line passing through D and parallel to AC cuts AB at E. Find the measure of DE. câu 12.Given two numbers x, y such that (4y² - 12y + 25)(4x² + 6x + 4) = 28
The ratio of y to x is ........ câu 13.Mr.Joseph drives car from A to B at a constant speed. If the speed of the car is increased by 20%, it takes him one hour less than the usual time. If he drives at the constant speed for the first 100km before increasing the speed by 30%, it also takes him one hour less than the usual. The distance of AB is ..........km. câu 14.A triangle ABC has Â = 120^o and the bisector AD (D ∈ BC). If AB = 40cm, AD = 30cm, then AC = ..... cm. câu 15.As shown in the figure, the length of BE is .............

Đề thi violympic toán tiếng anh lớp 8 vòng 10

câu 16.

Let f(x) the polynomial given by f(x) = (1 + 2x + 3x² + 4x³ + 5x⁴ + 84x⁵)
Suppose that f(x) = a_o + a₁x + a₂x²+ ..... + ..... + a₅₀x⁵⁰.
The value of T = a₁+ a₂+ .... + a₅₀ is .........

a. 99¹⁰- 1
b. 99¹⁰
c. 100¹⁰
d. 100¹⁰- 1
câu 17.Find the area of the trapezoid ABCD, BC // AD, AB = CD = 5cm, BC = 10cm, AD = 16cm.
The area of the trapezoid ABCD is .........cm².
câu 18.Find the least possible value of A = 4x² - 3x + 1/4x + 2015, where x varies in the set of positive real numbers. The least possible value of A is
câu 19.

#Toán lớp 9

0

BH

Bảo Huỳnh Gia

3 tháng 5 2021

How much is a bottle of milk?

A)How much a bottle of milk is there? B)How does a bottle of milk cost?

C)What is the price of a bottle of milk? D)How much milk is there in the bottle?

#Tiếng anh lớp 6

5

DT

Đỗ Thanh Hải

CTVVIP

3 tháng 5 2021

How much is a bottle of milk?

A)How much a bottle of milk is there? B)How does a bottle of milk cost?

C)What is the price of a bottle of milk? D)How much milk is there in the bottle?

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MN

minh nguyet

3 tháng 5 2021

A)How much a bottle of milk is there? B)How does a bottle of milk cost?

C)What is the price of a bottle of milk? D)How much milk is there in the bottle?

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QN

Quỳnh Như

3 tháng 3 2020 - olm

IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces.How can we keep our teeth (21) ______? Firstly, we ought to visit our (22) ____ twice a year. Secondly, we should brush our teeth (23) ____ a toothbrush and fluoride toothpaste at least twice a day, once after breakfast and once before we go to bed. We can also use toothpicks (24) _____between our teeth after a meal. Thirdly, we (25) ______ eat food that is good (26) ______ our teeth and our body: milk, fish, brown...

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IV. Choose the word (a, b, c, or d) that best fits each of the blank spaces.
How can we keep our teeth (21) ______? Firstly, we ought to visit our (22) ____ twice a year. Secondly, we should brush our teeth (23) ____ a toothbrush and fluoride toothpaste at least twice a day, once after breakfast and once before we go to bed. We can also use toothpicks (24) _____between our teeth after a meal. Thirdly, we (25) ______ eat food that is good (26) ______ our teeth and our body: milk, fish, brown bread, raw vegetables, fresh fruit, etc.
21. a. health b. healthy c. healthily d. unhealthy
22. a. dentist b. doctor c. teacher d. engineer
23. a. on b. of c. by d. with
24. A. clean b. to clean c. cleaning d. to cleaning
25. a. should b. ought to c. need d. a & b
26. a. for b. at c. on d. to
V. Read the following passage and choose the item (a, b, c, or d) that best answers each of the questions about it.
A: Hi. Can I help you?
B: Yes, please. Could I have something fpr a cough? I think I’m getting a cold.
A: Well, I sugest a box of these cough syrup. And you should get a bottle of vitamin C, too.
B: Thank you. And what do you have for dry skin?
A: Try some of this new lotion. It’s very good.
B: OK. Thanks a lot.
27. What does the word ‘cold’ in line 2 mean?
a. low temperature b. not hot or warm
c. a common illness d. not heated or cooked
28. The first speaker suggested that the second speaker should buy_____.
a. a box of cough syrup b. a bottle of vitamin C
c. a new lotion for dry skin d. all are correct
29. The second speaker is a_______.
a. patient b. doctor c. dentist d. nurse
30. They are talking in a______.
a. theater b. stadium c. drugstore d. dentist’s
31. Which of the following is not true?
a. Vitamin C is good for a cold.
b. Cough syrup is good for a cough.
c. There is a new lotion for dry skin.
d. The second speaker doesn’t want to buy the new lotion.

#Tiếng anh lớp 8

1

DX

Đoán xem

3 tháng 3 2020

21b

22a

23d

24b

25d

26a

27c

28d

29a

30c

31d

Chúc bạn học tốt nha ^v^

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LQ

Lê Quỳnh Anh

22 tháng 1 2018

– A: How much ______ is there in the bridge? –B: There’s a bottle.

A. eggs

B. oranges

C. milk

D. apples

#Tiếng anh thí điểm lớp 6

1

DH

Dương Hoàn Anh

22 tháng 1 2018

Đáp án: C

Giải thích: How much + danh từ không đếm được + is there…

Dịch: Còn bao nhiêu sữa trong tủ lạnh?

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DP

Diệc Phi Nguyễn

22 tháng 5 2022

Shall we go camping in Con Vanh Beach this Sunday?Let......................................................................What is the price of a bottle of cooking oil?How much.........................................................Is the police station is behind the post office?Is the post office...............................................My father is driving his car to Ha Noi.My father is traveling...................................,......Nam's father' car is whiteNam's father...

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#Tiếng anh lớp 6

1

NN

Nguyễn Ngọc Khánh Huyền

22 tháng 5 2022

Shall we go camping in Con Vanh Beach this Sunday?

=> Let's go camping in Con Vanh Beach this Sunday.

What is the price of a bottle of cooking oil?

=> How much is a bottle of cooking oil?

Is the police station is behind the post office?

=> Is the post office in front of the police station?

My father is driving his car to Ha Noi.

=> My father is traveling to Ha Noi by car.

Nam's father' car is white

=> Nam's father has a white car.

How much beef do you want?
=> How much beef would you like?

There are three floors in my new house.
=> My new house has three floors.

I cycle to school every day.
=> I go to school by bike every day.

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