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Reil [10]
3 years ago
12

How many squares will be in the fifth figure

Mathematics
1 answer:
Phantasy [73]3 years ago
5 0

Answer: 30

Step-by-step explanation:

see photo for work

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Complete the equation of the line through (-9,7) & (-6,-3)
scZoUnD [109]

Answer:

y=-\frac{10}{3}x-23

Step-by-step explanation:

we have the points

(-9,7) and (-6,-3)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values

m=\frac{-3-7}{-6+9}

m=-\frac{10}{3}

step 2

Find the equation in point slope form

y-y1=m(x-x1)

we have

m=-\frac{10}{3}

(x1,y1)=(-6,-3)

substitute

y+3=-\frac{10}{3}(x+6)  ---> equation in point slope form

step 3

Find the equation of the line in slope intercept form

y=mx+b

we have

y+3=-\frac{10}{3}(x+6)

Isolate the variable y

Distribute right side

y+3=-\frac{10}{3}x-20

subtract 3 both sides

y=-\frac{10}{3}x-20-3

y=-\frac{10}{3}x-23

7 0
3 years ago
(a) <br> 127.5<br> is what percent of <br> 51<br> ?
ExtremeBDS [4]
To solve this, you need to divide 127.5 by 51:
127.5/51 = 2.5
To find the percent, multiply 2.5 by 100:
2.5 x 100% = 250%
So 127.5 is 250% of 51
8 0
3 years ago
Calculate<br>a) 20% of £150<br>b) 15% of 80 kg<br>c) 85% of 2500 m​
kotykmax [81]

Answer:

A) 30

B) 12 kg

C) 2,125 m

Step-by-step explanation:

8 0
3 years ago
The regular price of a TV is $475. It's currently on sale for 30% off. What is
Hitman42 [59]

Answer:

You will pay $332.50 for a item with original price of $475 when discounted 30%

meaning the discount is $142.50

Step-by-step explanation:

if you buy an item at $475 with 30% discount, you will pay 475 - 142.5 = 332.5 dollars.

please give brainliest and thanks if possible

7 0
2 years ago
Pls hurry I’m being timed
Fed [463]
A point has a positive x and y coordinate- answer is Quadrant I
5 0
2 years ago
Read 2 more answers
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