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2 years ago

*WILL MARK BRAINLIEST PLEASE HELP**

Mathematics

1 answer:

Irina-Kira [14]2 years ago

3 0

Answer:

Step-by-step explanation:

The unit rate for this line is when the x value is 1. The unit rate is 1 : 0.5.

I Hope That This Helps! :)

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Subtract (4x+2) from the sum of (6x+1) and (7x+3)

Sphinxa [80]

Answer:11x

Step-by-step explanation:

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2 years ago

Read 2 more answers

-17, 2, 21, 40, … is an arithmetic sequence.<br><br> True<br><br> False

Wewaii [24]

False

A arithmetic sequence is a sequence that has a difference of 2. We see that we have -17 ... and then we have 2 ... and then 21. There is NOT a difference of 2, as we can see. Therefore, yiur answer would be (false).

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2 years ago

Questions are on the attachment

Mars2501 [29]

Answer:

b. 136

Step-by-step explanation:

you separate the right and left side so its 12x6 and 8x8 then you add the two products and get 136

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2 years ago

A group of college students are going to a lake house for the weekend and plan on renting small cars and large cars to make the

maxonik [38]

The students rented 4 small cars and 8 large cars.

Step-by-step explanation:

Given,

Number of people in small car = 4

Number of people in large car = 7

Total people in both type of cars = 72

Let,

x represent the number of small cars rented.

y represent the number of large cars rented.

According to given statement;

4x+7y=72 Eqn 1

y = 2x Eqn 2

Putting value of y from Eqn 2 in Eqn 1

$4x+7(2x)=72\\4x+14x=72\\18x=72$

Dividing both sides by 18

$\frac{18x}{18}=\frac{72}{18}\\x=4$

Putting x=4 in Eqn 2

$y=2(4)\\y=8$

The students rented 4 small cars and 8 large cars.

Keywords: linear equation, substitution method

Learn more about linear equations at:

#LearnwithBrainly

3 0

2 years ago

A rock is thrown up from the ground at a velocity of 84 feet per second. The formula h = -16t2 + 84t gives the rock's height in

kenny6666 [7]

Answer:

h = 110.24 m

Step-by-step explanation:

It is given that,

A rock is thrown up from the ground at a velocity of 84 feet per second. The formula $h = -16t^2 + 84t$ gives the rock's height in feet after t second.

We need to find the maximum height of the rock. For maximum height put $\dfrac{dh}{dt}=0$

So,

$\dfrac{d( -16t^2 + 84t)}{dt}=0\\\\-32t+84=0\\\\t=\dfrac{84}{32}\\\\t=2.62\ s$

Put t = 2.62 s in the equation of height. So,

$h = -16(2.62)^2 + 84(2.62)\\\\h=110.24\ m$

So, the maximum height of the rock is 110.24 m.

7 0

2 years ago

*****WILL MARK BRAINLIEST PLEASE HELP******

*WILL MARK BRAINLIEST PLEASE HELP**