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anygoal [31]
3 years ago
11

Evaluate the expression 7x2y, when x = 5 and y = 3.

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0
7x2y
x=5 and y=3
7(5)2(3)
7*5*2*3
35*6
210
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ivann1987 [24]

Answer:

B. 1.00 x 10 to the 4th power

Step-by-step explanation:

4 0
3 years ago
Help plz answer needed fast
grigory [225]

We just substitute in -12 for x in each one and see if it's true

2(-12)+6 = -24 + 6 = -18, not 30,   NOPE

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8 0
3 years ago
Can someone plzzz help me ill give you pizza :((
den301095 [7]

Answer:

C. 1.5w^2 + 7.5w + 9

Step-by-step explanation:

Without frame:

The width is w. The height is 1.5w.

With frame:

The width is w + 1.5 + 1.5 = w + 3

The height is 1.5w + 1.5 + 1.5 = 1.5w + 3

The area of the framed portrait is height * width

area = (1.5w + 3)(w + 3)

area = 1.5w^2 + 4.5w + 3w + 9

area = 1.5w^2 + 7.5w + 9

7 0
4 years ago
the following are scores of students:9,7,8,9,7,5,8,10,7,8 and 10. the value of the population variance is 4. true or false?​
DENIUS [597]

Answer:

<h3>yes</h3>

Step-by-step explanation:

yyyyyyyyyyyyyyyyyyyyyy

5 0
3 years ago
the total amount of flour in a bakery after receiving new stock equal to 3/10 of its current stock (x)
Ivenika [448]

If you're look for an equation to find how much flour there would be :

y would be the flour in the bakery after a certain number of stocks based on x, the number of times the flour has been stocked. The equation would require the initial amount of flour, though, which you have not provided.

the constant 1.3 will be used to show that the stock is increasing by 30% each time while including the initial amount of flour.

y= (initial amount of flour)(1.3)^x

3 0
3 years ago
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