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faust18 [17]
3 years ago
11

Answer these year7 math questions and you will get points :) thanks

Mathematics
2 answers:
charle [14.2K]3 years ago
5 0

Answer:

a. 4,7

b.30,35

c.15,14

c.10,21

antiseptic1488 [7]3 years ago
3 0

Answer:

2.

a) 4 +3 = 7

(4, 7)

b) 30 - 5 = 25

(30, 25)

c) 15 + 3 - 4 = 14

(15, 14)

d) 10 x 2 + 1 = 21

(10, 21)

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What is the solution to the system of equation<br> -7x-2y=-13<br> X-2y=11<br> Using substitution
Gnom [1K]
        -7x - 2y = -13
-7x + 7x - 2y = 7x - 13
               -2y = 7x - 13
                -2         -2
                 y = -3.5x + 6.5

                      x - 2y = 11
    x - 2(-3.5x + 6.5) = 11
x - 2(-3.5x) - 2(6.5) = 11
             x + 7x - 13 = 11
                   8x - 13 = 11
                       + 13 + 13
                          8x = 24
                           8      8
                            x = 3

y = -3.5x + 6.5
y = -3.5(3) + 6.5
y = -10.5 + 6.5
y = -4
(x, y) = (3, -4)
8 0
4 years ago
10f – 6 – 10f = -8(-2f - 10) + 10
netineya [11]

Answer:

f= -6    i think

8 0
3 years ago
4b+4&lt;4(5-3b) how do u break this down to get the right answer​
hodyreva [135]

4b+4<20-12b

16b<16

b<1 olur.

<u><em>İYİ DERSLER!</em></u>

6 0
3 years ago
Read 2 more answers
1. Harsha makes a scale drawing of a window. She uses the scale 1cm represents 20cm.
guajiro [1.7K]

Part (A)

(1 cm)/(20 cm) = (6 cm)/(x cm)

1/20 = 6/x

1*x = 20*6

x = 120

120 cm = 120/100 = 1.2 m

<h3>Answer:  1.2 m</h3>

=========================================================

Part (B)

2.2 m = 2.2*100 = 220 cm

(1 cm)/(20 cm) = (x cm)/(220 cm)

1/20 = x/220

1*220 = 20*x

20x = 220

x = 220/20

x = 11

<h3>Answer: 11 cm</h3>
6 0
3 years ago
I need help for this question I’m stuck
morpeh [17]

Answer:

g=6

Step-by-step explanation:

We can start by multiplying both sides by 2

5(3g+2)=100

Now we can distribute the 5 by using the distributive property

15g+10=100

Then we subtract 10 from both sides

15g=90

Divide both sides by 15

g=6

7 0
4 years ago
Read 2 more answers
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