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3 years ago

8

How do I solve this system by graphing?

1 answer:

guajiro [1.7K]3 years ago

4 0

You can first put into y=mx+b form so for the first one it would be y=-1/2x+3 3=y-intercept or where it'll touch the y-axis and -1/2 is the slope you can use the same approach for the next equation

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Find the area of the irregular figure. Round to the nearest hundredth.

RSB [31]

Answer:

$67.5\text{ [square units]}$

Step-by-step explanation:

The composite figure consists of one rectangle and two triangles. We can add up the area of these individual shapes to find the total area of the irregular figure.

<u>Formulas</u>:

Area of rectangle with base $b$ and height $h$ : $A=bh$
Area of triangle with base $b$ and height $h$ : $A=\frac{1}{2}bh$

By definition, the base and height must intersect at a 90 degree angle.

The rectangle has a base of 10 and a height of 5. Therefore, its area is $A=10\cdot 5=50$ .

The smaller triangle to the left of the rectangle has a base of 2 and a height of 5. Therefore, its area is $A=\frac{1}{2}\cdot 2\cdot 5=5$ .

Finally, the larger triangle on top of the rectangle has a base of 5 and a height of 5. Therefore, its area is $A=\frac{1}{2}\cdot 5\cdot 5=12.5$ .

Thus, the area of the total irregular figure is:

$50+5+12.5=\boxed{67.5\text{ [square units]}}$

7 0

3 years ago

Mario invested $6,000 in an account that pays 5% annual interest compounded annually how much will be there after 2.5 years

Liono4ka [1.6K]

Answer:

$48,000

Step-by-step explanation:

$i = \frac{p \times r \times t}{100 } \\ 6000 = \frac{p \times 5 \times 2.5}{100 } \\ 600000 = 12.5 \\ 48000$

6 0

2 years ago

Which statement best describes the area of Triangle ABC shown below?

KatRina [158]

Answer:

Would be the 3rd one I believe

Step-by-step explanation:

5 0

3 years ago

Sixty percent means the same as _______.

ycow [4]

60% - 3/5
Hope this help, don't really know what your expecting the answer to be

3 0

3 years ago

A square has<br> side<br> lengths of 3/4 in.<br> What is its area?

Leno4ka [110]

Hey there! :)

Answer:

A = 9/16 in².

Step-by-step explanation:

Use the formula A = s² to solve for the area where s = 3/4 in:

A = (3/4)²

A = 9/16 in².

7 0

3 years ago

Read 2 more answers