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3 years ago

8

The bar graph shows the number of students who earned each letter grade on a written report.Which statement about the graph is t

rue?

2 answers:

Alexandra [31]3 years ago

4 0

I think it's A because it's the only logical answer

Molodets [167]3 years ago

3 0

It's probably A (I can't tell you for certain, because I can't see the image, but the other options seem illogical).

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Write the equation of the line through (1, 5) and perpendicular to y=-1/2x+3

Olenka [21]

Jaisiaisnajajwjwjjwjwjwqjwjjananznsjjsiwiwiwiwiwiwiwiiwiw

3 0

3 years ago

in a bicycle store a $275 bicycle is marked ,''get a 15%discount "What is the discount?What is the sale price of the bicycle?

timofeeve [1]

275 * 0.15 = 41.25 (discount)

275 - 41.25 = 233.75 (sale price of the bicycle)

4 0

3 years ago

What is the surface area of a sphere with a diameter of 12 centimeters ?

nasty-shy [4]

Answer:

$A=452.39\ cm^2$

Step-by-step explanation:

The formula to calculate the surface area of a sphere is the following:

$A=4\pi r^2$

Where A is the area of the sphere and r is the radius of the sphere.

In this case we know that the diameter d of the sphere is:

$d = 12\ cm$

The diameter is:

$d = 2r$ .

Thus

$r = \frac{d}{2}\\\\r = \frac{12}{2}\\\\r=6\ cm$

Then the surface area of the sphere is:

$A=4\pi (6)^2\\\\A = 144\pi\ cm^2\\\\A=452.39\ cm^2$

7 0

3 years ago

Read 2 more answers

Midpoint of (2,4) and (2, -7)

slega [8]

Step-by-step explanation:

soln:

let,

(x1,y1) =(2,4)

(x2,y2)=2,-7)

Now,

By midpoint formula,

×= <u>x</u><u>1</u><u>+</u><u>x</u><u>2</u>

2

= <u>2</u><u>+</u><u>2</u>

2

=<u>4</u>

2

=2,,

And,

Y=<u>y</u><u>1</u><u>+</u><u>y</u><u>2</u>

2

=<u>4</u><u>-</u><u>7</u>

2

= <u>-</u><u>3</u>

2

Hence ,

The mispoint between points (2,4) and (2,-7) is (2,<u>-</u><u>3</u><u> </u><u> </u><u> </u><u>)</u>

2

6 0

2 years ago

I don’t get the second question.

Bess [88]

<h2>Good morning,</h2>

<em><u>Answer</u></em>:

The quadratic equation is : x²+x+1=0

<u><em>Step-by-step explanation:</em></u>

Generally:

let S be the sum of the roots z₁ and z₂

and P be the product of the roots z₁ and z₂

then z₁ and z₂ are the solutions for the equation: x² − Sx + P = 0

Now,

S=-1 and P=1 then the equation is x²+x+1=0.

______

:)

8 0

3 years ago