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podryga [215]
3 years ago
11

Please help me ASAP..

Mathematics
1 answer:
Triss [41]3 years ago
8 0

Answer:

x = -8

Step-by-step explanation:

5(x - 1) = -45

5x - 5 = -45

add 5 to each side of the equation:

5x = -40

divide both sides by 5:

x = -8

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Negative two and one-fourth divded by negative one and one-half
Bond [772]

Answer:

The answer is 3/2 or 1 1/2

Step-by-step explanation:

First, you have to make it as a improper fraction :

- 2 \frac{1}{4}

=   - \frac{( 2 \times 4) + 1}{4}

=  -  \frac{9}{4}

- 1 \frac{1}{2}

=  -  \frac{(1 \times 2) + 1}{2}

=  -  \frac{3}{2}

Next, you can divide it by cutting out the common factor :

-  \frac{9}{4}  \div  -  \frac{3}{2}

=  -  \frac{9}{4}  \times -   \frac{2}{3}

=   - \frac{  3}{2}  \times  - 1

=  \frac{3}{2}

= 1 \frac{1}{2}

3 0
3 years ago
I need help on #7<br> Please show your work
givi [52]

The area of the given square pyramid is:

total area = 1,100 inches squared.

<h3 /><h3>How to get the area of the pyramid?</h3>

On the second image, we can see that the pyramid is conformed of a square base and 3 triangles.

To get the surface area of the pyramid, we can just get the area of each of these simpler parts.

The base is a square of 22 in by 22 in, then the area of the base is:

B = (22in)*(22 in)  = 484 in^2

For each triangle, the area will be:

A = (base side)*(height)/2

A = (22in)*(14in)/2 = 154 in^2

And we have 4 of these triangles, then the total area of the pyramid will be:

total area = B + 4*A = 484in^2 + 4*(154 in^2) = 1,100 in^2

If you want to learn more about square pyramids:

brainly.com/question/22744289

#SPJ1

3 0
1 year ago
I need help, someone please explain. I don't need the answers i just don't get it.
shepuryov [24]
What answers well whats the question?
4 0
3 years ago
A circular plate has circumference 21.4 inches. What is the area of this​ plate? Use 3.14 for pi.
Brut [27]

Answer:

The area of this plate is 36.31\ \text{inches}^2.

Step-by-step explanation:

We have,

Circumference of a circular plate, C = 21.4 inches

The circumference of a circular shape is given by :

C=2\pi r

r is radius of circular shape

r=\dfrac{C}{2\pi}\\\\r=\dfrac{21.4}{2\times 3.14}\\\\r=3.4\ \text{inches}

Area of this plate is given by :

A=\pi r^2\\\\A=\pi (3.4)^2\\\\A=36.31\ \text{inches}^2

So, the area of this plate is 36.31\ \text{inches}^2.

8 0
3 years ago
How do you convert the decimal 0.24 to fraction in the simplest form
RideAnS [48]

Answer:

0.24---> 24/100 --->  6/25

Step-by-step explanation:

hope that helps

6 0
1 year ago
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