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user100 [1]
2 years ago
7

Please help :0 i have a bad grade and desperately need to bring it up

Mathematics
1 answer:
murzikaleks [220]2 years ago
7 0

Answer: y=1.5x+5  slope 1.5

explanation: it the first two questions

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The perimeters of the square and the triangle shown below are equal. What is the value of x?
Rudiy27
Perimeter is the sum of all the sides. So we can set up an equation:

\sf 3x+1+3x+1+3x+1+3x+1=2x+8+x+8+4x+2

Now solve for 'x', combine like terms:

When it comes to terms with variables it's just like normal addition but we keep the variable:

\sf 3x+3x+3x+3x=12x
\sf 2x+x+4x=7x

So we have:

\sf 12x+1+1+1+1=7x+8+8+2

Add:

\sf 12x+4=7x+18

Subtract 7x to both sides:

\sf 5x+4=18

Subtract 4 to both sides:

\sf 5x=14

Divide 5 to both sides:

\boxed{\sf x=2.8}
8 0
3 years ago
Please help 50 points + Brainliest
Talja [164]

Step-by-step explanation:

AB · BE = CB · BD            Given

CB/BE = AB/BD               Division Property of Equality

<ABC = <DBE                  Vertical angles are equal

ΔABC ≅ ΔDBE                SAS Similarity Theorem


Hope it helps

7 0
3 years ago
Read 2 more answers
PLEASEE PLEASE PLEASEE HURRY
Andrej [43]
It is the letter A your welcome
7 0
3 years ago
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r
Vitek1552 [10]

Step-by-step explanation:

We are given this function:

y=8700* (1.04)^{4}y=8700∗(1.04)

4

8700 is the initial amount.

1.04 shows the change of original amount. This is decimal form of percentage. We need to transform it into regular percentage.

1.04 * 100% = 104%

Now we observe this number. If it is greater than 100% we have growth, if it is lower than 100% it is decay, and if it is equal to 100% than there is no change.

In our case this number is greater than 100% so we have growth. To determine the percentage rate we must substract 100% as it represents the original amount.

104% - 100% = 4%

This would be our solution if we don't have an exponent.

We have exponent so first step is to calculate the number and then we repeat the steps from above.

1.04^{4} = 1,169858561.04

4

=1,16985856

1,16985856 * 100% ≈ 116,99%

116.99% - 100% = 16.99%

So, final solution is growth of 16.99%

3 0
2 years ago
Read 2 more answers
I need the answer for 21
levacccp [35]

Answer:

h>13

Step-by-step explanation:

3 0
3 years ago
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