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3 years ago

Simplify 1/2(8y-10z)-(3y+z)

2 answers:

8 0

12(8y−10z)−(3y+z)

=y−6z
Hope this helps

sashaice [31]3 years ago

7 0

1/2(8y-10z)-(3y+z)
= 4y - 5z - 3y - z
= y - 6z

hope it helps

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(5 + 4) + (2 + 6) = 10 +__ Find the missing number.

LUCKY_DIMON [66]

Answer:

The Missing number is 7

Step-by-step explanation:

5+4=9

2+6=8

9+8=17

And if the equations are supposed to have the same answer then you add 7 to 10 and they both have the same answer.

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4 years ago

15. In AABC if mZA is thirteen less than mzC and mZB is eleven less than four times m

vlabodo [156]

Answer:

$m\angle A=21$ °

$m\angle B=125$ °

$m\angle C=34$ °

Step-by-step explanation:

Let the measure of angle C be $x$ °.

Given:

In triangle ΔABC,

$m\angle A$ is thirteen less than $m\angle C$ and $m\angle B$ is eleven less than four times $m\angle C$ . This gives,

$m\angle A = x-13$

$m\angle B=4x-11$

Also, $m\angle C=x$

Now, for a triangle, the sum of all its interior angles is equal to 180°.

Therefore, $m\angle A + m\angle B + m\angle C=180$

Plug in all the values and solve for x. This gives,

$x-13+4x-11+x=180\\6x-24=180\\6x=180+24\\6x=204\\x=\frac{204}{6}=34$

Therefore, measure of angle C is 34°.

Measure of angle A is, $m\angle A=x-13=34-13=21$ °.

Measure of angle B is, $m\angle B=4x-11=4(34)-11=136-11=125$ °.

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3 years ago

4.5 divided -1.5 I just want to know the steps to the answer

Irina18 [472]

Answer:

-3

Step-by-step explanation:

dividing a positive and a negative equals a negative so put the 4.5 in parentheses with the 1.5 and put the negative outside the parentheses. then do what's in the parentheses and add your negative which makes you get a -3

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3 years ago

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Alexeev081 [22]

Answer:

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Step-by-step explanation:

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4 years ago

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mel-nik [20]

Answer:

the third option

Step-by-step explanation:

x= 13

${y}^{2} = {13}^{2} + {13}^{2} \\ {y}^{2} = 338 \\ y = \sqrt{338} = 18.38 = 13 \sqrt{2}$

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4 years ago