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nadya68 [22]
3 years ago
10

What is −5x + 4 for x = −5

Mathematics
1 answer:
Triss [41]3 years ago
5 0

Answer:

29

Step-by-step explanation:

Given

- 5x + 4 ← substitute x = - 5 into the expression

= - 5(- 5) + 4 = 25 + 4 = 29

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steposvetlana [31]

Umh… yes ig heh

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8 0
3 years ago
Please help me asap :) thank you
Mashutka [201]

Answer:

1 1/2 points

Step-by-step explanation:


3 0
3 years ago
Find the solution to the system:
Sliva [168]

Answer:

u = 12, v= 15

Step-by-step explanation:

Given the system of simultaneous equation:

1/6 u− 1/3 v=−3... (1)

0.2u+0.1v=3.9...(2)

Rewriting both equation as fraction

1/6 u− 1/3 v=−3

1/5 u + 1/10 v = 39/10

Multiplying equation (1) by 6 and (2) by 10 we have:

u - 2v = -18... (3)

2u + v = 39...(4)

Using elimination method, we will first multiply equation (3) by 2 and (2) by 1 to have:

2u-4v = -36 ...(5)

2u+v = 39...(6)

Subtracting (5) from (6);

-4v-v = -36-39

-5v = -75

v = -75/-5

v = 15

Substituting v = 15 into equation (3) to get u we have:

u - 2(15) = -18

u - 30 = -18

u = -18+30

u = 12

The solution to the system of simultaneous equation are u = 12 and v = 15

7 0
3 years ago
What’s 1+1? Is it 929? Uwu
Allisa [31]

Answer:

No it's 2 Lol not 929 UwU

3 0
2 years ago
In a classroom, for every 8 girls there are 5 boys. What is the ratio of boys to girls?
MrRa [10]

Answer:

5:8

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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