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Aneli [31]
3 years ago
11

Help plz I’m really dumb :D

Mathematics
1 answer:
andrezito [222]3 years ago
3 0

Answer:

1) false

2)false

3)false

Step-by-step explanation:

for number 1 you can tell it's false because if you look after the decimal, the right one is larger than the left one, they're saying it's greater than

for number 2 you can tell it's false because it's equal to. Anytime you see a less than or grater than equation like this you have to remember that if it's the same without a 0 it doesn't matter, it's the same if you add a 0 after the decimal.

For number 3 you can tell it's false because 3 is less than 7 (in the hundreths place.)

Hope This Helps!!!

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HELP PLEASE!!!!!???!!!!
Vilka [71]

-Hello There-

B Correct

The area of the original shape will be

multiplied by 9 to get the area of the

image under a dilation with scale

factor 3.

15 × 9 = 135 cm2

The perimeter of the original shape

will be multiplied by 3 to get the

perimeter of the image.

20 × 3 = 60 cm

6 0
3 years ago
Would A be the correct answer??
nadezda [96]
Yep! 7x2=14-15= -1 // answer is a
7 0
4 years ago
Read 2 more answers
A triangle with coordinates A(1, 1), B(4, 2), C(3, 5) is translated three units down and five units to the left. What are the co
kompoz [17]

Answer:

A' = (-4,-2)\\B'=(-1,-1)\\C'=(-2, 2)

Step-by-step explanation:

Given:

A = (1,1)\\B=(4,2)\\C=(3,5)

A translation upward or downward affects the y value of a coordinate while a translation left or right affects the x value of a coordinate.

We are translating the whole triangle down three units, so we subtract all they values by 3.

We are also translating the whole triangle to left left five units, so we will subtract all the x values by 5.

A = (1-5,1-3)\\B=(4-5,2-3)\\C=(3-5,5-3)

New Coordinates:

A' = (-4,-2)\\B'=(-1,-1)\\C'=(-2, 2)

4 0
3 years ago
Read 2 more answers
Simplify (3x² - x + 2)[(5x - 2) - (x - 1)]
sergiy2304 [10]
Answer = <span><span><span><span>12<span>x3</span></span>−<span>7<span>x2</span></span></span>+<span>9x</span></span>−<span>2</span></span>
6 0
4 years ago
Create a system of equations with a solution of (5,-2)​
VladimirAG [237]
<h3>5x - y = 27 and 2x + y = 8 are the system of equations with a solution of (5,-2)​ </h3>

<em><u>Solution:</u></em>

Given that,

create a system of equations with a solution of (5,-2)​

<em><u>The equation for a line in slope intercept form:</u></em>

y = mx + b

Where, m is the slope and b is the y intercept

For (x, y) = (5, -2)

-2 = 5m + b

<em><u>When m = 5</u></em>

-2 = 5(5) + b

-2 = 25 + b

b = -2 - 25

b = -27

<em><u>When m = -2</u></em>

-2 = 5(-2) + b

-2 = -10 + b

b = 8

<em><u>Thus equations are:</u></em>

y = 5x - 27

y = -2x + 8

<em><u>Rearranging to standard form,</u></em>

5x - y = 27 --- eqn 1

2x + y = 8 ---- eqn 2

Thus the system of equations are found

<h3><u>Verify:</u></h3>

Solve eqn 1 and eqn 2

Add both eqn 1 and eqn 2

7x = 35

<h3>x = 5</h3>

Substitute x = 5 in eqn 2

2(5) + y = 8

y = 8 - 10

<h3>y = -2</h3>

Thus solution is (5, -2) and the found system of equations are correct

5 0
4 years ago
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