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Korolek [52]
2 years ago
13

Which of the numbers listed below are solutions to the equation? Check all

Mathematics
1 answer:
8_murik_8 [283]2 years ago
6 0

Answer:

The answer is 25 and -25 :)

If this was helpful, please consider giving brainliest!

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Can I please get some help?? Use the diagram and the given information to find the unknown length.
Ostrovityanka [42]
The diagram shows that
AB = 5
AC = AB+BC = 5+2 = 7
DE = 7
DF = DE+EF = 7+x

So,
AB/AC = DE/DF
5/7 = 7/(7+x)
5(7+x) = 7*7
5(7+x) = 49
35+5x = 49
5x = 49-35
5x = 14
x = 14/5

So EF = 14/5 in fraction form
In decimal form, EF = 2.8 (since 14/5 = 2.8)

7 0
3 years ago
What scale factor did Dionne use? 1/2 , 2/3 , 3/2 , 2
aleksandr82 [10.1K]

Answer:

\frac{2}{3}

Step-by-step explanation:

Calculate the scale factor, using the ratio of corresponding sides, image to original.

Using the vertical line image = 4 and original = 6 , then

scale factor = \frac{4}{6} = \frac{2}{3}

4 0
2 years ago
What is his average speed for end the entire trip 280 miles<br> ?
-BARSIC- [3]

Answer:

20mph

Step-by-step explanation:

because when you divide the 280 it goes by 20 mph to get to 280 miles by quarters but in 20s

7 0
2 years ago
What is 3a squared add 7 a
vfiekz [6]
The answer is:  " 9a² + 7a " .
_________________________________
Note:    (3a)² + 7a = (3a)*(3a) + 7a = 9a² + 7a .
_________________________________
3 0
3 years ago
What is the volume of A right prism w/ a triangular base w/ sides of 3,4 and 5 w/ a height of 10?
azamat

Check the picture below.

\bf \textit{volume of a pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=&area~of\\ &its~base\\ h=&height\\ \cline{1-2} B=&\frac{1}{2}(3)(4)\\ h=&10 \end{cases}\implies V=\cfrac{1}{3}\cdot \cfrac{1}{2}(3)(4)(10)\implies V=20

3 0
3 years ago
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