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Mashcka [7]
3 years ago
15

Does anyone know this, pls?

Mathematics
2 answers:
yan [13]3 years ago
8 0

Answer:

Addition property of equality

Explanation:

You are adding 7 to both sides

Hope this helps!

iogann1982 [59]3 years ago
8 0
Addition one because you add to both sides
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Solar panels installed in a backyard have a cross section that is a right triangle. The diagram shows the approximate dimensions
Citrus2011 [14]

Answer:

About 4.2 ft

Explanation:

The area of the traingle can be calculated in two ways.

A=\frac{1}{2}\text{width}\cdot\text{length}

where width = 4.4 ft and length = 13.6 ft.

Putting in the values for width and length gives

\begin{gathered} A=\frac{1}{2}13.6\cdot4.4_{} \\ \boxed{A=29.92ft^2} \end{gathered}

The other way that the area can be calculated is

A=\frac{1}{2}\cdot\text{height}\cdot\text{base}

where height = vertical length and base = 14.3 ft; therefore.

\begin{gathered} A=\frac{1}{2}14.3h \\ A=7.15h \end{gathered}

This must equal the area of the triangle we found above; therefore,

A=29.92=7.15h29.92=7.15h

dividing both sides by 7.15 gives

h=\frac{29.92}{7.15}\boxed{h\approx4.2ft}

which is our answer!

7 0
1 year ago
Hillary can read 560 words in 7 minutes. how many can he ready in 1 minute?
djverab [1.8K]
I believe it would be 80

Merry Christmas!! :)
6 0
3 years ago
Find the cross products 1/2 = x/8​
Vera_Pavlovna [14]

Answer:(4)

Step-by-step explanation:

1/2=x/8 cross multiply and you come up with 8 divided by 2 = 4

6 0
3 years ago
Ravi is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x repr
nexus9112 [7]

Answer:

1. The change per week is $40 as it is the coefficient.

2. The starting amount is $550 as it is the constant.

8 0
2 years ago
Make t the subject of the formula: S = at + bt
riadik2000 [5.3K]
To make t the subject is basically isolating t

S = at + bt
We see on the right side that t is common, so we factor it out.

S = t(a + b)
Divide by (a+b) to isolate t

\frac{S}{a + b} =  \frac{t(a+b)}{(a+b)}
a + b and a + b cancels out
We are left with the answer:
t = \frac{S}{a+b}
8 0
3 years ago
Read 2 more answers
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