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saul85 [17]
3 years ago
7

Which ratio is equivalent to (two-fifths)?

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0
The answer is B. 4/10, because 2 × 2 = 4, and 5 × 2 = 10. I hope this helps!
Ipatiy [6.2K]3 years ago
7 0
The answer is B)4/10 because 2*2=4 and 2*5=10
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Mortar is made by mixing cement, sand and quicklime in the ration 1:2:3
timurjin [86]

Answer with step-by-step explanation:

If the ratio for the ingredients is 1:2:3, then the total would be 6. If so, we have to divide 2.1 by 6, which is 0.35. Now, you need to multiply 0.35 to the according ingredient amounts.

Cement: 1 x 0.35 = 0.35

Sand: 2 x 0.35 = 0.70

Quicklime: 3 x 0.35 = 1.05

If you add it up, you will get 2.1, which is the volume.

Hope this helped! (brainliest please)

3 0
3 years ago
Please help i hate algebra this is so confusing 30 pts
Tom [10]

you got it correct.............................

3 0
2 years ago
Read 2 more answers
Identify the problem with the following study. An internet poll on a website asks people to indicate whether or not they have a
ratelena [41]

Answer:

B. VOLUNTARY RESPONSE

Step-by-step explanation:

3 0
3 years ago
The range of a data set is 18. if the smallest number in the set is 9, What is the largest number?
tankabanditka [31]
Range is the difference between the largest and the smallest variable. If the range is 18 and the smallest number is 9. Add 9 to 18.
9+18= 27. 27 is the largest number.
7 0
3 years ago
What is the remainder when (3x4 + 2x3 − x2 + 2x − 19) ÷ (x + 2)?<br><br> 0<br> 5<br> 10<br> 15
Elanso [62]

Answer:  Second option is correct.

Explanation:

Since we have given that

f(x)=3x^4+2x^3-x^2+2x-19

And g(x)=x+2

To find the remainder, we use the Remainder Theorem, which states that when f(x) is divided by (x-c) then the f(c) is the required remainder.

So,

Here, we have,

x+2=0\\\\x=-2

So, we will find f(-2) which will give us the required remainder,

f(-2)=3(-2)^4+2(-2)^3-(-2)^2+2(-2)-19\\\\f(-2)=(3\times 16)-(2\times 8)- 4-4-19\\\\f(-2)=48-16-36-4-19\\\\f(-2)=5

Hence, Second option is correct.

7 0
3 years ago
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