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3 years ago

hey can someone please help me i don’t understand this? the question says “find the surface area of the rectangular prism.”

Mathematics

1 answer:

ASHA 777 [7]3 years ago

6 0

Answer:

170 in^2

Step-by-step explanation:

you have to find the area of each surface of the square

1) the square on the right side:

5x5=25 in^2

there are 2 of these on opposite sides

2)the of the rectangle facing us;

6x5=30in^2 (5 because 5 is the height)

there are 4 of these

3)add up all the areas

25+25+30+30+30+30=170in^2

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What is the equation of the line that passes through the point (3,-7) and has a slope of -4/3?

Gemiola [76]

Answer:

4x + 3y + 9 = 0

Step-by-step explanation:

When a slope of a line and a point passing through it is given then we use slope - one point form to determine the equation of the line.

It is given by:

$(y - y_1) = m (x - x_1)$

where $m$ is the slope of the line and

$(x_1, y_1)$ is the point passing through it.

Here, $m = \frac{-4}{3}$ and $(x_1 , y_1) = (3 , -7)$ .

Substituting in the formula $y + 7 = \frac{-4}{3} (x - 3)$

$\implies 3y + 21 = -4x + 12$

$4x + 3y + 9 = 0$

3 0

3 years ago

Calvin bought 2 t-shirts for $50, and Bradley bought 4 t-shirts for $90. Did they pay the same rate? Explain your reasoning.

umka21 [38]

No they did not bc Bradley paid less than Calvin bc if you get $90 divided by 4 it is $22.5 per shirt for Bradley but if you do $50 divided by 2 Calvin paid $25 for each shirt and then add $25 4 times bc Bradley bought 4 shirts and not 2 so get Calvin unit rate and times 4 and compare and you will see Bradley paid less for 4 shirts than Calvin

7 0

3 years ago

Marty has 1 dozen eggs. He needs 4 eggs to bake a cake.How many cakes can he bake.

const2013 [10]

Answer:

Step-by-step explanation:

12 didved by 4 is 3

5 0

3 years ago

Read 2 more answers

Convert 5/6, 8/9, and 7/8 to equivalent fractions with denominator 72, their LCD

ValentinkaMS [17]

Answer:

60/72, 64/72, 63/72

Step-by-step explanation:

5/6 = 60/72

8/9 = 64/72

7/8 = 63/72

6 0

2 years ago

Can someone help please?

Marina CMI [18]

Answer:

g(7) = 16

Step-by-step explanation:

When evaluating piecewise-defined functions, the first step is to determine which domain the value of the independent variable falls into. Then the associated function is evaluated in the usual way.

For x=7, the applicable domain is (2, ∞). This means the applicable function is ...

g(x) = (x +1)(x -5)

For x=7, this is ...

g(7) = (7 +1)(7 -5) = (8)(2)

g(7) = 16

6 0

2 years ago