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3 years ago

Plsssss help no one is helping me

Mathematics

2 answers:

Alecsey [184]3 years ago

3 0

Answer:

x=-3

Step-by-step explanation:

there are three x's and five one's so the equation is 3x+5

on the other side there are 2 negative x's and 10 negative one's so the equation is -2x-10

set them equal to each other

3x+5=-2x-10

5x=-15

x=-3

Sedaia [141]3 years ago

3 0

Answer:

hey how old are you

Step-by-step explanation:

jnedjed

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3 years ago

Through:(3,-1),slope=-1

Wewaii [24]

Answer:

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3 years ago

A rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeter

maksim [4K]

Answer:

25%.

Step-by-step explanation:

Let E be the event that the dart lands inside the triangle.

We have been given that a rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeters.

We know that probability of an event represents the chance that an event will happen.

$\text{Probability}=\frac{\text{Favorable no. of events}}{\text{Total number of possible outcomes}}$

$\text{Probability that dart lands inside the triangle}=\frac{\text{Area of triangle}}{\text{Area of rectangle}}$

$\text{Probability that dart lands inside the triangle}=\frac{162}{648}$

$\text{Probability that dart lands inside the triangle}=0.25$

Convert into percentage:

$0.25\times 100\%=25\%$

Therefore, the probability that dart lands inside the triangle is 25%.

7 0

3 years ago

Read 2 more answers

Can someone please answer. There is a picture. There is only one problem. Thank you so much!!!

Darya [45]

Second answer is correct

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3 years ago

Plsssss help no one is helping me​

Plsssss help no one is helping me