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4 years ago

Bob had 3600 pencils he gave some to his friends Jack he now has 1368 how many did he give to jack

Mathematics

1 answer:

alexandr1967 [171]4 years ago

6 0

He gave him 1632 pencils

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Multiply (3x-1)(-x+4)

iogann1982 [59]

Answer:

$-3x^{2}+13x-4$

Step-by-step explanation:

You can use the foil technique (first outer inner last)

(3x - 1)(-x + 4) = (3x · (-x)) + (3x · 4) + ((-1) · (-x)) + ((-1) · 4)

= $-3x^{2}+12x+x-4$

= $-3x^{2}+13x-4$

5 0

3 years ago

PLSSS ASAP HELP!! Find the area of the parallelogram shown below. The formula to find area of a parallelogram is base x height.

Artist 52 [7]

Given:

A parallelogram with base c, height h and other side a.

$a=55.83$ yds

$c=100$ yds

$h=52$ yds

To find:

The area of the parallelogram.

Solution:

The area of a parallelogram is:

$A=base\times height$

In the given parallelogram, the base is $c=100$ yds and the height is $h=52$ yds. So, the area of the parallelogram is:

$A=100\times 52$

$A=5200$

Therefore, the area of the parallelogram is 5200 square yds . hence the correct option is A.

4 0

3 years ago

What is 148% as a fraction and decimal?

Rudik [331]

Answer:

Fraction: 1 12/25

Decimal: 1.48

Step-by-step explanation:

We know the percent 100 is equal to 1. You are basically adding .48 to the decimal, and also adding 48/100 to the fraction. So, if you were to convert 148% to a fraction and a decimal, it would be 1 12/25 and 1.48.

Hope this helps,

Philip

Brainliest is always appreciated! <3

3 0

3 years ago

Read 2 more answers

The sample consisted of 50 night students, with a sample mean GPA of 3.02 and a standard deviation of 0.08, and 25 day students,

bulgar [2K]

Answer: The test statistic is t= -0.90.

Step-by-step explanation:

Since we have given that

n₁ = 50

n₂ = 25

$\bar{x_1}=3.02\\\\\bar{x_2}=3.04\\\\\sigma_1=0.08\\\\\sigma_2=0.06$

So, s would be

$s=\sqrt{\dfrac{n_1\sigma_1^2+n_2\sigma_2^2}{n_1+n_2-2}}\\\\s=\sqrt{\dfrac{50\times 0.08^2+25\times 0.06^2}{50+25-2}}\\\\s=0.075$

So, the value of test statistic would be

$t=\dfrac{\bar{x_1}-\bar{x_2}}{s(\dfrac{1}{n_1}+\dfrac{1}{n_2})}\\t=\dfrac{3.02-3.04}{0.074(\dfrac{1}{50}+\dfrac{1}{25})}\\\\t=\dfrac{-0.04}{0.074(0.02+0.04)}\\\\t=\dfrac{-0.04}{0.044}\\\\t=-0.90$

Hence, the test statistic is t= -0.90.

7 0

3 years ago

What is the value of x?<br><br><br><br> Enter your answer in the box.

charle [14.2K]

Hi there!

We know that RST is an equilateral(all 3 sides the same length) triangle, and is therefore equiangular(all 3 angles the same value). Therefore, angle S and is equal to one-third of the triangle's angle measure.

180/3=60

60=7x+4

56=7x

x=8

-AwesomeRepublic :)

4 0

4 years ago

Read 2 more answers