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AlladinOne [14]
3 years ago
8

Which of the following points is a solution to y ≤ −2x + 3?

Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

d; below; y = −2x + 2

Step-by-step explanation:

the equality  ≤  means left to right that y is equal or less than. We see that 2 is equal or less than 3.

We check the resulting equation also and see that if we +3 it = 1 and if we +2 it equals 0 so we know +2 in answer format can be less than also. But with questions we are measuring the units and +2 is less than +3.

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Consider the function below. (If an answer does not exist, enter DNE.)
lys-0071 [83]
<span>Which two measures did the United States take to counter terrorism after the September 11 attacks?

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5 0
4 years ago
a news paper carrier has 10.30 in change. he has two more quarters than dimes but three times as many nickles as quarters. how m
Karolina [17]
A) .05n + .10d + .25 q = 10.30
B) d +2 = q
C) n = 3q
Substituting equations B and C into A
A) .05*3q + .10(q-2) + .25 q = 10.30
A) .15q + .1q -.2 + .25q = 10.30
A) .50q = 10.50
21 quarters

C) n = 3q
C) n = 3*21
63 nickels

B) d +2 = q
d + 2 = 21
19 dimes


4 0
3 years ago
The equation 5x - 7(x-1) = ax+b has exactly one solution.
Dimas [21]

Answer:

a = -2  and  b = 7

Step-by-step explanation:

We need to solve for the value of "a" and "b".

We need to distribute and make the left side of the equation same form as the right side of the equation and match the coefficients, simple.

We will use the distributive property shown below to expand the left side and simplify.

<u>Distributive Property:</u>  a(b-c) = ab - ac

Now, simplifying left hand side:

5x - 7(x - 1)

= 5x -7(x) -7(-1)

= 5x -7x +7

= -2x + 7

The right hand side is "ax + b".

If we match left-hand side and right-hand side, we see that:

a = -2

and

b = 7

THese are the only solution.

8 0
3 years ago
At Noise Pollution Cellular, plan A is $30.00 per month and $5.00 for every gigabyte of data. Plan B is $50.00 per month and $2.
Dafna1 [17]
First we define variables.We have then:D: monthly data.C: total cost.
For Plan A:
 C = 5D +30
 D: [5, 8]
 We evaluate for D = 8
 C = 5 (8) +30
 C = 40 + 30
 C = 70 $
 For Plan B:
 
C = 2D +50
 D: [5, 8]
 We evaluate for D = 8
 C = 2 (8) +50
 C = 16 + 50
 C = 66 $
 Answer:
 
the best choice for him is plan B:
 
C = 2D +50
7 0
3 years ago
There is a box with red and green apples there are 60 apples in total determine the number of green apples if 40% of the apple a
zhuklara [117]

Answer:

36 green apples

Step-by-step explanation:

Number of red apples = percentage of red apples x total number of apples in the box

percentage of red apples = 100 - 40 = 60%

0.6  x 60 = 36

5 0
3 years ago
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