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kap26 [50]
2 years ago
14

F(x)=−7x−1 find x if f(x) = -8

Mathematics
1 answer:
EastWind [94]2 years ago
3 0

Answer:

f(x) =  - 8 \\  \\  - 7x - 1 =  - 8 \\  \\  - 7x =  - 8 + 1 \\  \\  - 7x =  - 7 \\  \\ 7x = 7 \\  \\ x =  \frac{7}{7}  \\  \\ x = 1

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Simplify expression<br>9-18÷3+7​
m_a_m_a [10]

Answer: 10

18 divide by 3 is 6 because you always divide first is this case

9-6+7 now solve straight across

9 minus 6 is 3 plus 7 is 10

Step-by-step explanation: Also

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3 0
3 years ago
Read 2 more answers
find the permimter of the quadrilateral if x=2 the perimiter is in inches the perimiters are (4x2+8x) (31 ) (7x+30) (3x2-5x+20)
d1i1m1o1n [39]

Answer:

115

Step-by-step explanation:

4*2+8(2) = 24

31

7(2)+30 = 44

3*2-5(2)+20 = 6-10+20 = -4+20 = 16

24+31+44+16

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8 0
3 years ago
Read 2 more answers
Peter is making new cushion covers for a chair. There are three sizes of
Lesechka [4]

Answer:

A 846 square inches

Step-by-step explanation:

Use the net:

Rectangle 1: (21 in + 3 in + 21 in + 3 in) by 15 in.

Rectangle 2: 21 in by 3 in

Rectangle 3: 21 in by 3 in

total area = sum of areas of 3 rectangles above.

total area = (48 in * 15 in) + 2(21 in * 3 in)

total area = 720 in^2 + 126 in^2

total area = 801 in^2

Answer: A 846 square inches

6 0
2 years ago
Please help, this is worth 15 points!
rosijanka [135]

Its proportional, YW!!

5 0
2 years ago
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Pls pls pls help if you know!! I’ll give brainliest pls!
Sergio [31]

Answer:

135

Step-by-step explanation:

if you think about it al cicle = 360 so its 360- 225= 135

7 0
3 years ago
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