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maxonik [38]
3 years ago
11

Emma is using connecting cubes to make a rectangular model with a height of one connecting cube. With her cubes she can make the

model in exactly 3 different ways. If Emma has more than 12 but fewer than 17 cubes, how many cubes does she have?
Mathematics
1 answer:
RideAnS [48]3 years ago
8 0
15
Emma has 15 because then each model will equally have five.<span />
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If f(x)=x squared + 3x+5 what is f(a+h)
zheka24 [161]

Answer:

a² + 2ah + 3a + 3h + 5 + h²

Step-by-step explanation:

to evaluate f(a + h) substitute x = a + h into f(x)

f(a + h)

= (a + h)² + 3(a + h) + 5 ← distribute

= a² + 2ah + h² + 3a + 3h + 5



8 0
3 years ago
What was the original price if after increasing by 60% it became $8?
Nesterboy [21]
The answer  is 5a pretty sure
8 0
3 years ago
Ten less than half of what number is 30?
EleoNora [17]

Answer:

x = 80

Step-by-step explanation:

Let x be the unknown number

1/2 x - 10 = 30

Add 10 to each side

1/2x -10+10 = 30+10

1/2x = 40

Multiply each side by 2

1/2x * 2 = 40*2

x = 80

6 0
4 years ago
Please answer, best answer gets brainliest
mario62 [17]
Median:(13+43)/2 so it is 28
The mean:(11+13+43+47)/4 = 28.5
4 0
3 years ago
The U.S. Senate is composed of 2 senators from each of the 50 states. In order for a treaty to be ratified, at least two thirds
Sholpan [36]
There are 2 senators from each of the 50 states.
All senators are present, therefore there are 100 senators.

48  senators voted in favor of a treaty.
Let x =  the number of additional senators who should vote in favor of the treaty to achieve 2/3 of 100.
That is,
48 + x ≥ (2/3)100
x ≥ 200/3 - 48 
x ≥ 18.667

x  should be an integer, therefore
x ≥ 19

Answer: 19 or greater

6 0
3 years ago
Read 2 more answers
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