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Mars2501 [29]
3 years ago
14

Solve y over negative 2 5 = 13.

Mathematics
2 answers:
devlian [24]3 years ago
8 0
Y/-2 + 5 = 13
y/-2 = 13 - 5 = 8
y = -2(8) = -16
y = -16
Anika [276]3 years ago
3 0

Answer:

y=-16

Step-by-step explanation:

The expression is written:

-y/2+5=13

We multiply the whole expression by 2 to get rid of the fraction:

-y+5\cdot(2)=13\cdot(2)

-y+10=26

We move -y to the right hand side to make it positive y and move 26 to the left side to subtract it from 10:

10-26=y

y=-16

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What is the surface area of the right prism given below?
posledela

Answer: Option D.

Step-by-step explanation:

You can calculate the surface area of this right prism by adding the area of its faces.

You can observe that the faces of the right prism are:  Three different rectangles and two equal triangles.

The formula for calculate the  area of a rectangle is:

A=lw

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The formula for calculate the  area of a triangle is:

A=\frac{bh}{2}

Where "b" is the base and "h" is the height.

You can observe that the hypotenuse of the each triangle is the width of one of the larger rectangle, then , you can find its value with the Pythagorean Theorem:

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Then, this is:

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Therefore, you can add the areas of the faces to find the surface area of the right prism (Since the triangles are equal, you can multiply the area of one of them by 2). This is:

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5 0
3 years ago
Read 2 more answers
URGENT!!!! WILL GIVE BRAINLIEST TO FIRST RIGHT ANSWER!!!!!!
Zepler [3.9K]

geometric sequence

\tt U_n=ar^{n-1}

a = 6 = first term

r = ratio = \tt \dfrac{9}{6}

the 6th term (n=6)

\tt U_6=6\times (\dfrac{9}{6})^{6-1}\\\\U_6=6\times \dfrac{9}{6}^5\\\\U_6=\dfrac{9^5}{6^4}=45.5625\rightarrow rounded~to nearest~thousandth=45.563

4 0
2 years ago
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