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Reika [66]
3 years ago
12

Plz help me answer these two questions instantly and plz explain thx

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0
5. A
6. No, 1/5(25x+15)-7x= -2x+3
-2(x-5)= -2x+10
-2x+3 is not equal to -2x+10
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Work out an equation of the straight line with gradient 3 that passes through the point with coordinates (2, 4).
Gnom [1K]

Answer:

The answer is

\huge \boxed{y = 3x - 10}

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (2, 4) and the slope is 3

The equation of the line is

y - 4 = 3(x - 2) \\ y + 4 = 3x - 6 \\ y = 3x - 6 - 4

We have the final answer as

y = 3x - 10

Hope this helps you

3 0
3 years ago
Which transformations would result in a geometric figure that is exactly the
kifflom [539]

Answer:

B, C and D

Step-by-step explanation:

dilation is the only transformation that affects the size of the shape, and no transformations affect the shape of the figure.

6 0
3 years ago
the ratio of boys to girls in a group is 7 to 2 if there are 65 more boys than girls work out how many boys are there​
skad [1K]

Answer:

sHOULD BE 7:2

Step-by-step explanation:

7 0
3 years ago
What is the volume of the box
aalyn [17]

Answer:

Volume = 144 in.³

Step-by-step explanation:

Given:

Length = 9 in.

Width = 4 in.

Height = 4 in.

Required:

Volume

Solution:

Volume of a box = length * height * width

Volume = 9*4*4

= 144 in.³

5 0
3 years ago
Naomi asked several classmates how much cash they had in their pocket. She recorded the data below:
AfilCa [17]

Answer:

the answer is $2,883$

Step-by-step explanation:

8 0
3 years ago
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