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zhannawk [14.2K]
2 years ago
15

Help pls lollll 10th grade mathematics

Mathematics
1 answer:
Komok [63]2 years ago
4 0

Answer:

I think it's a because

12÷42= 3.5

and

56÷16=3.5

so

10×3.5=35

Step-by-step explanation:

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1 yd² of soil containing 30% clay was mixed into 2 yd of soil containing 45% clay. What is the clay content of the mixture?​
siniylev [52]

Answer:

105% ?

Step-by-step explanation:

I'm not entirely sure if the 1 yard 'squared' is considered in the 30% but assuming it's not ... 1yd =30% 1yd^2=60% and 2yd=45% so 60%+45%=100%

5 0
2 years ago
Murphy and Naryam do their homework together. When they get to 9 - (-8) they get different answers. Murphy claims that the answe
andre [41]

Answer:Murphy is right

Step-by-step explanation: When there are two negitives right next to each other the cancel out so it turns into a positive make the question 9+8 making the answer 17.

8 0
2 years ago
Which of the following accurately illustrates the verbal phrase: Negative seventeen is eight less than a number?
Mazyrski [523]
A. -17=8-n
because The word is is the equal sign and eight less is 8 minus an number

8 0
3 years ago
If a coordinate was dilated from (-3, 2) to (-6, 4), what was the scale factor used?
lara [203]

Given:

A coordinate pair was dilated from (-3, 2) to (-6, 4).

To find:

The scale factor.

Solution:

We need to divide the coordinate of dilated point by the corresponding coordinate of original point to find the scale factor.

The value of scale factor is:

k=\dfrac{x\text{-coordinate of image}}{x\text{-coordinate of original point}}

k=\dfrac{-6}{-3}

k=2

Therefore, the scale factor is 2.

3 0
2 years ago
-7x+4y=24, 4x-4y=0 substitution
BartSMP [9]
The first one: -7(x) + 4(y) = 24
The second one: 4(x) - 4(y) = 0

4y - 7x = 24 which is reduced to a negative
(-4y + 4x = 0 )


4(x) = 4(y)

-7(y ) + 4(y) = 24  
- 3(y) = 24

3(y) = - 24 


y-intercept: - 8 
x-intercept: -8

The X & Y intercept is: -8, -8



8 0
2 years ago
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