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klasskru [66]
3 years ago
12

How can you use 4×7 to find 8×7

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0
If you think about it, 4x7 is half of 8x7 (If you multiply 4, 7, and 2, you get 8x7). So really you can just multiply 4x7 by 2 and you will get 8x7!
patriot [66]3 years ago
6 0
So if u look 4x7 is half of 8 x7 so times 4 and 7 then just double it
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Plz help me with this question!
VARVARA [1.3K]

Answer:

the answer is y=-1/6x-1

8 0
3 years ago
Read 2 more answers
I really need help. I've checked everywhere and it says cannot be factored. I will give brainliest to whoever can help me and gi
jolli1 [7]

Answer:

B) -5, 5, -7, 7           

Step-by-step explanation:

3x² - bx + 2

factor:

(3x - 2 )(x - 1) = 3x² - (5)x + 2      so 5 does work

(3x - 1 )(x - 2) = 3x² - (7)x + 2      so 7 does work

(3x + 2 )(x + 1) = 3x² + 5x +2    =    3x² - (-5)x + 2      so -5 does work

(3x + 1 )(x + 2) = 3x² + 7x + 2   =    3x² - (-7)x + 2      so -7 does work

4 0
3 years ago
Given that h(x) = 5-2x, find the value(s) of x when h(x) =3​
arsen [322]

Answer:

x=1

Step-by-step explanation:

We have,

h(x) = 5-2x

h(x)=3

Now,

h(x)=5-2x=3

or,5-2x=3

or,5-3=2x

or,2/2=x

Therefore, x=1 when h(x)=3

3 0
3 years ago
Read 2 more answers
Please help me, if you help then thanks!
vredina [299]

The formula for volume always involves three dimensions.  

In this case, the volume of a cube is V=s^3, where s is the side length of the cube.

To solve for that side length, you'd need to use a cube root.

8 0
3 years ago
Which expression is equivalent to 6(14)? 6(10 + 4) 6(10 + 14) 6(1 + 40) 6(10 + 40)
krok68 [10]
The first one because of you add 10 and 4 you get 14. And they both multiply 6 by 14.
8 0
3 years ago
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