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Anarel [89]
3 years ago
8

Can someone help please

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
5 0
Okay, so this is exponential. The formula for the exponental function is Y=ab^x

a is the y-intercept

b is the rate/ratio

x is the time

According to the graph, (remember the y-intercept is in the y-axis) so 2 is the y-intercept.

Knowing what the y-intercept is, you know what the answer is.

A.
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Using distributive property create an equivalent expression to 40+4x
evablogger [386]
Hi there!

To create an expression that uses the distribution property which can be simplified into 40 + 4x, we can find a factor between 40 and 4:

Since both 40 and 4 is divisible by 4,

40 / 4 = 10
4 / 4 = 1

We can put the 4 on the outside of the parenthesis, and put the quotients inside the parenthesis. And since the expression is in addition, we should include the addition symbol as the operation inside the parenthesis. 

4(10 + x)
would be your answer. 

Hope this helps!
4 0
3 years ago
A store sells six cupcakes for $7. How much do 18 cupcakes cost?
ollegr [7]

Answer:

21 cupcakes

Step-by-step explanation:

6 = $7

18 = 6 x 3

18 = 7 x 3

18 = $21

7 0
3 years ago
Read 2 more answers
The value of 110 coins, consisting of dimes and quarters, is $20.30. how many of each kind of coin are there?
deff fn [24]
D + q = 110......d = 110 - q
0.10d + 0.25q = 20.30

0.10(110 - q) + 0.25q = 20.30
11 - 0.10q + 0.25q = 20.30
-0.10q + 0.25q = 20.30 - 11
0.15q = 9.30
q = 9.30/0.15
q = 62 <==== there are 62 quarters

d = 110 - q
d = 110 - 62
d = 48 <==== there are 48 dimes

6 0
3 years ago
8d + 1 = 5d + 10 can someone please explain how to solve this?
spayn [35]
<span>
Add '-1' to each side of the equation. 1 + -1 + 3d = 10 + -1 Combine like terms: 1 + -1 = 0 0 + 3d = 10 + -1 3d = 10 + -1                                                                      

Combine like terms: 10 + -1 = 9 3d = 9

Divide each side by '3'. d = 3 Simplifying
</span>
4 0
3 years ago
What is 30/78 simplified
Anton [14]
30/78 simplified is 15/39
3 0
3 years ago
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