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Step2247 [10]
3 years ago
8

Help. and please show workout so I can know how to understand it (and both questions)

Mathematics
1 answer:
Arlecino [84]3 years ago
8 0
Just remove the parenthesis since you are adding them and combine like terms
x+5+2x+3
3x+8
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A rectangular prism has a length of 12 inches, a width of 5 inches, and a height of 4 1/4 inches.
Darya [45]

Answer:

130.56

Step-by-step explanation:

Volume of the prism is 12×5×4.25=255 in³

Volume of the cubes are 1.25³=1.953125 in³

255/1.953125 = 130.56 in³

brainliest plz

5 0
2 years ago
What is the answer and how do I solve?
8_murik_8 [283]
Because it is a 90° angle and the legs are congruent, the legs intersect with the hypotenuse at the same angle, so the other, unnamed angle at the bottom left is equal to x.

Now we can state that:

2x + 90 = 180
2x = 90
x = 45
4 0
2 years ago
Molly was on a long 136 mile road trip. The first part of the trip there was lots of traffic, she only averaged 16 mph. The seco
Mazyrski [523]

Answer:

In traffic, she drove for 3 hours

and After the traffic cleared she drove for 2 hours.

Explanation:

Given that the road trip was 136 miles;

d=136

The first part of the trip there was lots of traffic, she only averaged 16 mph;

v_1=16

The second part of the trip there was no traffic so she could drive 44 mph;

v_2=44

She traveled for a total of 5 hours;

t=5

let x represent the time in traffic when she traveled at 16 mph

t_1=x

the time the traffic is clear would be;

t_2=t-t_1=5-x

Recall that distance equals speed multiply by time;

d=v_1t_1_{}_{}^{}+v_2t_2

substituting the values;

136=16x+44(5-x)

solving for x;

\begin{gathered} 136=16x+220-44x \\ 44x-16x=220-136 \\ 28x=84 \\ x=\frac{84}{28} \\ x=3 \end{gathered}

So;

\begin{gathered} t_1=3\text{ hours} \\ t_2=5-x=5-3=2 \\ t_2=2\text{ hours} \end{gathered}

Therefore, In traffic, she drove for 3 hours

and After the traffic cleared she drove for 2 hours.

7 0
1 year ago
Can someone please help me
Ipatiy [6.2K]

Answer:

Y-int:2

Slope: 4

Step-by-step explanation:

Hope this helps!

P.S. Stay Safe!

7 0
2 years ago
Read 2 more answers
Which equation can be used to represent the statement?
AfilCa [17]

Answer:

I would say 16=1.2n+(negative 8) because they are in the same order as it was spelled in words and not numbers that's how I know that it could be 16=1.2n+(negative 8).

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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