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nadya68 [22]
2 years ago
13

If f(x) = 5x + 40, what is f(x) when x = -5? 0-8 0.7 O 15

Mathematics
1 answer:
Over [174]2 years ago
4 0

Answer:

15

Step-by-step explanation:

f(x) = 5x + 40

…………………………

when x = -5

f(-5) = 5(-5) + 40

      = -25 + 40

      = 40 - 25

      = 15

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zysi [14]

The value of x in the proportion is 15.8.

1910 = x12

1910 = 12x

divide both sides by  12

1910 / 12 = 12x / 12

x = 15.8333333333

x ≈ 15.8

read more: brainly.com/question/14026746?referrer=searchResults

5 0
3 years ago
Which expression correctly represents eight times the difference of 4 and a number
expeople1 [14]

Answer:

The expression for two times the difference of 4 and a number  is

8(4-d)

Step-by-step explanation:

To Find:

Write an expression for Eight times the difference of 4 and a number.

Solution:

Let the Unknown number be 'd'

Difference of 4 and d                        =      ( 4 - d )

So One Time Difference of 4 and d =  1× ( 4 - d )

∴   Two Times Difference of 4 and d = 2× ( 4 - d )

∴   Eight Times Difference of 4 and d = 8× ( 4 - d )

The expression for Eight times the difference of 4 and d. will be

8(4-d)

The expression for Eight times the difference of 4 and a number  is

8(4-d)

6 0
4 years ago
Yolanda drove 315 miles in 5 hours.
Veseljchak [2.6K]

Answer:

756 miles

Step-by-step explanation:

315/5=63

So, 63=unit rate.

63 times 12=756.

756 miles

7 0
3 years ago
George has 36 cupcakes he has eight friends coming over to the party if he shares the cupcakes evenly with himself and all the g
Bogdan [553]

Answer:

Each person would get <u>4 cup</u> cakes if all 8 friends attend the party.

Each person would get <u>12 cup</u> cakes when 6 friends not attended the party.

Step-by-step explanation:

Given:

Total Number of cup cakes = 36

Number of friends coming to party = 8

Total number of people cakes need to distributed including George = 9

We need to find the number of cup cakes each person would get;

Solution:

Now we can say that;

number of cup cakes each person would get is equal to Total Number of cup cakes divided by Total number of people cakes need to distributed including George.

framing in equation form we get;

number of cup cakes each person would get = \frac{36}{9}=4

Hence Each person would get <u>4 cup</u> cakes if all 8 friends attend the party.

Now Given:

Number of friends not attended the party = 6

So we can say that;

Total number of people cakes need to distributed including George = 9 - 6 = 3

So we can say that;

number of cup cakes each person would get = \frac{36}{3} =12

Hence Each person would get <u>12 cup</u> cakes when 6 friends not attended the party.

3 0
3 years ago
A factory has three machines that all manufacture the same engine part. From long historical records the company has determined
Alex Ar [27]

Answer:

Step-by-step explanation:

P(D/M₁) = .04 ( probability of defect from a 1 st machine )

P(D/M₂) = .06

P(D/M₃) = .01

P( M₁ )= .3 ( probability of manufacture from 1 st machine )

P(M₂) = .2

P(M₃)= .5

P( M₁/D) ( Probability of manufacture from 1 st machine , given it is defective )

= P( M₁ )xP(D/M₁) / [P( M₁ )xP(D/M₁) +P( M₂ )xP(D/M₂)+P( M₃ )xP(D/M₃)]

= .3 x .06 / .3 x .06 + .2 x .06 + .5 x .01

= .018 / .035

= 18/35

3 0
3 years ago
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