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Liula [17]
3 years ago
10

Someone please help me

Mathematics
2 answers:
kirill115 [55]3 years ago
7 0
It’s d 6ft

:))))))))))
ryzh [129]3 years ago
6 0

Answer:

6 ft

Step-by-step explanation:

10² - 8² = x²

100 - 64 = x

100 - 64 = 36

√36 = 6

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What is the value of the expression? ​−2.1(4.7+(−7.4))​ HELPPP
skelet666 [1.2K]
I think it's 5.67 or 5.7 rounded to the nearest tenth.
6 0
3 years ago
Read 2 more answers
Determine two consecutive odd integers such that the sum of their squares is a minimum.
Nesterboy [21]

Answer:

5 or -7, the two integers are either 5 and 7 or -7 and -5.

Step-by-step explanation:

8 0
3 years ago
An equilateral triangle has sides of length(3k-2)units. A regular pentagon(5 sides) has sides of (2k+0.5)units. If the perimeter
Vitek1552 [10]

The length of side of triangle is 5 units and length of side of pentagon is 1.5 units.

<u>SOLUTION:</u>

Given, An equilateral triangle has sides of length (3k-2) units.  

Then, perimeter of the triangle will be 3 \times(3 k-2)=9 k-6

A regular pentagon (5 sides) has sides of (2k+0.5) units.  

Then, perimeter of the pentagon will be 5 \times(2 k+0.5)=10 k+2.5

We have to find the dimensions of each shape . Now, the perimeter of the triangle is twice the perimeter of the pentagon,  

So, \text {perimeter of triangle} = 2\times \text{perimeter of pentagon}

\begin{array}{l}{\rightarrow 9 k-6=2(10 k+2.5)} \\\\ {\rightarrow 9 k-6=20 k+5} \\\\ {\rightarrow 20 k-9 k=-6-5} \\\\ {\rightarrow 11 k=-11} \\\\ {\rightarrow k=-1}\end{array}

Then, length of side of triangle = 3(-1)-2 = - 5

Length of side of pentagon = 2(-1) + 0.5 = - 1.5

We have to neglect, negative sign as lengths can’t be negative. Even if we change the sign above all conditions are satisfied.

4 0
3 years ago
15 pts!
shusha [124]

Answer:

They will have 53 CDs when they have the same amount. You have to add the amounts 5 times

Step-by-step explanation:

8+9=17+9=26+9=35+9=44+9=53

18+7=25+7=32+7=39+7=46+7=53

Hope this helps

Please mark me as brainliest

3 0
3 years ago
What is the slope of this line
Temka [501]

Answer:

4/5

Step-by-step explanation:

use rise over run up 4 over 5!!!

8 0
3 years ago
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