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BARSIC [14]
3 years ago
8

What is the rate of change (2,20) and (5,47) ?

Mathematics
1 answer:
ipn [44]3 years ago
3 0

Answer:

3,27

Step-by-step explanation:

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Find the equation of the straight line passing through the point (3,5)
marysya [2.9K]

Answer:

Step-by-step explanation:

y = 3x + 2

Slope m = 3

slope of the line perpendicular to this line = -3

Point (3,5)

y- y1 = m(x-x1)

y - 5 = -3(x-3)

y - 5 = -3*x-3 * -3

y - 5 = -3x + 9

     y = -3x + 9 +5

     y = -3x + 14

6 0
3 years ago
21 pointAn inscribed circle isall 3 sides of the triangle it is inscribed in.not related1tangent toequal to2perpendicular to3Pre
Nataliya [291]

cyclic quadrilateral

This statement is always true:

Opposite angles add up to 180°

6 0
1 year ago
Mia's perents said that she can use a space in the yard that measures. 13 feet long by 9 feet wide for her wildflower garden. Wh
ikadub [295]
A = L * W
A = 13 * 9
A = 117 square ft <==
7 0
3 years ago
Could someone help me understand how to solve this?
monitta

Answer:

Amount in 4% account: $550

Step-by-step explanation:

Use simple interest formula I=P\cdot r\cdot t, where

I = interest

P = principal

r = rate (as decimal)

t = time.

<u>4% account:</u>

P_1=x\\ \\r_1=0.04\\ \\t_1=1,

then

I_1=x\cdot 0.04\cdot 1=0.04x

<u>5% account:</u>

P_2=1,500-x\\ \\r_2=0.05\\ \\t_2=1,

then

I_2=(1,500-x)\cdot 0.05\cdot 1=0.05(1,500-x)

You have earned $69.50 in total, so

I_1+I_2=69.50\\ \\0.04x+0.05(1,500-x)=69.50\\ \\4x+5(1,500-x)=6,950\\ \\4x+7,500-5x=6,950\\ \\4x-5x=6,950-7,500\\ \\-x=-550\\ \\x=550\\ \\1,500-x=1,500-550=950

Amount in 4% account: $550

Amount in 5% account: $950

8 0
3 years ago
An item is regularly priced at $90. It is on sale for 30% off the regular price. What is the sale price
madreJ [45]

Answer:

63

Step-by-step explanation:

Because 30 percent of 90 equals 27

Thus

90 - 27 = 63.

Please mark brainliest and give 5 stars.

3 0
3 years ago
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