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2 years ago

Surely help I’ll brainlist. construct a histogram to represent these results.

Mathematics

1 answer:

AnnZ [28]2 years ago

7 0

Answer:

Step-by-step explanation:

You need to first put the numbers in suitable catagories

0-120

120-130

130-140

140-150

then figure out the frequency of them

0-120=4

121-130=20

131-140=2

141-150=2

then put in a graph(sry its not very good i was in a rush)

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Yeah, uhm can someone help me with this?

hram777 [196]

Answer:

-24

Step-by-step explanation:

$x/4 + 8 = 2\\x/4 = 2 - 8\\x/4 = -6\\x = -6 *4\\x = -24$

8 0

2 years ago

What is the slope of the line through (-9,6) and (-6,-9)

Juliette [100K]

$\text{The slope formula:}\ m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{We have:}\\(-9;\ 6)\to x_1=-9;\ y_1=6\\(-6;\ -9)\to x_2=-6;\ y_2=-9\\\\\text{substitute:}\\\\m=\dfrac{-9-6}{-6-(-9)}=\dfrac{-15}{-6+9}=\dfrac{-15}{3}=-5$

Answer: m = -5

7 0

3 years ago

Carlos just took a 40 question math test. He scored a 75%. How many questions did he get correct?

sergiy2304 [10]

Answer:

He missed 10 questions and got 30 right

Step-by-step explanation:

So we could do 0.75 times 40 and we would get 30

So he got 30 questions right which isn't too bad

8 0

2 years ago

Show all of your work. Simplify the expression: - 3a + 7 + 5a

Eva8 [605]

Answer:

2a + 7

Step-by-step explanation:

-3a + 7 +5a

<em>subtract the negative 3 from the 5</em>

2a + 7

4 0

2 years ago

Read 2 more answers

6)a garden was square, but last year she made it makes or shortening one side 5 meters and the other 8 meters. If the area of th

Alekssandra [29.7K]

Answer:

let dimention of original garden be x

then (x-8)(x-5) = 180

x^2 -13x -140 = 0

(x-20)(x+7)=0

x= 20 or x = -7

x = 20

original area = (20)^2

= 400 m^2

5 0

2 years ago