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3 years ago

mia spent $7.25 at the mall joselyn spent 3times as much rameesha spent $5.00 more than joselyn how much did rameesha spend?

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

7 0

Answer:

$26.75

Step-by-step explanation:

7.25x3=21.75

21.75+5.00=26.75

=26.75

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HELP PLZ AGAIN. Same material. It is still timed. Will give 50 pts and brainly. This is vital to my math grade. Time is on the e

Sliva [168]

Answer:

slope-intercept form: y = x+2

The slope is 1

y-interspet is -2

Step-by-step explanation:

hope it helps

7 0

3 years ago

1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle

zimovet [89]

Answer: $\left | 2t-5\right |,\ 2,\ 2t-5$

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

$s(t)=t^2-5t+1$

Speed of the particle is given by

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=\left | 2t-5\right |$

Acceleration of the particle is

$\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2$

velocity can be negative, but speed cannot

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5$

3 0

3 years ago

Jason considered two similar televisions at a local electronics store. The generic version was based off the brand name and was

slavikrds [6]

Keywords:

<em>Variables, televisions, generic version, TV brand, dimensions </em>

For this case we have two televisions, one generic version and one brand. We know that the generic version represents $\frac {2} {3}$ the size of the brand. We must define two variables that represent the dimensions of the brand TV, so we have:

x: Brand TV length

y: Brand TV width

Dimensions of the generic TV:

$Length = 12\\Width = 24$

So:

$\frac {2} {3} x = 12$

$\frac {2} {3} y = 24$

By clearing the variables we have:

$x = 12 \frac {3} {2} = 18\\y = 24 \frac {3} {2} = 36$

Thus, the dimensions of the brand TV are 18 inches by 36 inches

Answer:

The dimensions of the brand TV are 18 inches by 36 inches

3 0

3 years ago

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3x + y = 14<br> y = 5<br> Solve the system of equations

lorasvet [3.4K]

Answer:

X=3, y=5

Step-by-step explanation:

3x + y = 14 equation 1

y=5 equation 2

3x + 5 = 14. substitute value of y from equation 2 into equation 1

3x=9

x-3

6 0

3 years ago

Range of 12 13 19 16 32 15 13

xz_007 [3.2K]

Answer:

The range of a set of data is the highest number - the smallest number

32 - 12 = 20

The range is 20

6 0

3 years ago

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