2 years ago

Can anyone help me with this

Mathematics

1 answer:

elena-s [515]2 years ago

4 0

6x3 +2x2-3x-7 these are supposed to go in the boxes

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PLEASE HELP!!!!!!!!

Wewaii [24]

Answer:

#1 is -9

#2 is 3

Step-by-step explanation:

-9x3 is -27 then add 10 to that you get -17

5x3 is 15 then subtract 1 and you get 14

5 0

3 years ago

Read 2 more answers

On the morning of the sale, the store donated 50 pairs of shoes to a homeless shelter. Then they sold 64% of their remaining inv

jekas [21]

Answer:

850.

Step-by-step explanation:

Let the number at the start be x shoes. Then:

x - 50 - 0.64(x - 50) = 288

x - 0.64x - 50 + 32 = 288

0.36x = 288 + 50 - 32

0.36x = 306

x = 306/0.36 = 850.

6 0

2 years ago

Two angle measures of a triangle are given what is the third angle measure 57 68 _ 90 40 __ 29 71 _

nexus9112 [7]

$Sum\ of\ angles\ in\ triangle\ is\ 180^{\circ}\\\\
57^{\circ},68^{\circ},x\\
57+68+x=180\\
125+x=180\\
x=55^{\circ}\\\\
90^{\circ},40^{\circ},x\\
90+40+x=180\\
130+x=180\\
x=50^{\circ}\\\\29^{\circ},71^{\circ},x\\
29+71+x=180\\
100+x=180\\x=80^{\circ}$