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Ymorist [56]
3 years ago
6

Question 1 (1 point)

Mathematics
2 answers:
NikAS [45]3 years ago
8 0

Answer:

16

Step-by-step explanation:

4(x - 1)2 + 3y

12-4+2+6

8+2+6

10+6

16 i think

valentina_108 [34]3 years ago
5 0

Answer:

16

Step-by-step explanation:

4(3 - 1) 2 + 3(2)

12 - 4 + 2 + 6

8 + 8

16

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A store is having a sale on walnuts and chocolate chips. For 3 pounds of walnuts and 5 pounds of chocolate chips, the total cost
Liono4ka [1.6K]

Answer:Walnuts cost $1.25 and chocolate chips cost $3.25

Step-by-step explanation: Make walnuts x and chocolate chips y.

3x+5y=20

6x+2y=14

Multiply the first equation by 2 and then subtract it from the second.

-(6x+10y=40)

6x+2y=14

-8y=-26

y=3.25

Plug y back into either equation and isolate x to solve for x.

6x+2(3.25)=14

6x+6.5=14

6x=7.5

x=1.25

5 0
3 years ago
Assume that y varies directly with x. If y = -5 when
steposvetlana [31]

Answer:

Thus, the value of x = -36 when y = 15

Step-by-step explanation:

We know that if y varies directly with x, we can express the relationship such as

y ∝ x

y = kx

k = y/x

where 'k' is called constant of variation.

Given

y = -5

x = 12

Using the equation

k = y/x = -5/12

Thus, the value of k = -5/12

Finding x when y = 15

y = 15

k = -5/12

substituting y = 15 and k = -5/12 in the equation

y = kx

15 = -5/12 (x)

15×12 = -5x

180 = -5x

divding both sides by -5

-5x/-5 = 180/-5

x = -36

Thus, the value of x = -36 when y = 15

8 0
3 years ago
Suppose you drive a car M miles on G gallons of gas. The number of miles you drive in your car is equal to 30 times the number o
mamaluj [8]
That would  be M = 30G   where M is in miles and G is in gallons.
7 0
2 years ago
Need help please and thank you.
AURORKA [14]
X+3=61
x=61-3=58

58+37=95
180-95=85

so x=58 and y=85
5 0
1 year ago
Which number is greater . 60 or 7.5
myrzilka [38]

Answer:

60 is greater than 7.5.

step by step

5 0
3 years ago
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