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Andru [333]
3 years ago
5

What is the difference between "x times x"  and "x plus x"?

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0
Well, it's multiplication and addition.
They use different operations.
Mumz [18]3 years ago
3 0
Well first off x times x is squaring whatever the number is while x plus x is just multiplying by 2
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A central angle helps us with?
enot [183]

Answer:

A central angle is an angle with endpoints and located on a circle's circumference and vertex located at the circle's center. A central angle in a circle determines an arc . For an inscribed angle and central angle with the same endpoints,

Step-by-step explanation:

3 0
3 years ago
While shopping for school supplies, Ashton buys two 3-rings binders,three packages of pencils, and two erasers. If he pays using
d1i1m1o1n [39]
To get the answer, you need to specify how much each thing cost.
8 0
3 years ago
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0.5a − 0.3 = 5 (solve for a)
Alla [95]
0.5a - 0.3 = 5

Add 0.3 to both sides:

0.5a = 5.3

Divide both sides by 0.5:

a = 10.6
3 0
3 years ago
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Kaya found 25 shells on the beach yesterday today she found 25 more shells she sorted all the shells into 5 piles
Gnom [1K]

Answer:

25 + 25=50 Divided by 5 =10

Step-by-step explanation:

25 + 25

=50

50 DIVIDED BY 5

=10

3 0
3 years ago
Please help with this question.
barxatty [35]

Answer:

Step-by-step explanation:

The first thing we have to do is find the measure of angle A using the fact that the csc A = 2.5.

Csc is the inverse of sin. So we could rewrite as

\frac{1}{sinA}=2.5 or more easy to work with is this:

\frac{1}{sinA} =\frac{2.5}{1}

and cross multiply to get

2.5 sinA = 1 and

sinA=\frac{1}{2.5} which simplifies to

sin A = .4

Using the 2nd and sin keys on your calculator, you'll get that the measure of angle A is 23.58 degrees.

We can find angle B now using the Triangle Angle-Sum Theorem that says that all the angles of a triangle have to add up to equal 180.  Therefore,

angle B = 180 - 23.58 - 90 so

angle B = 66.42

The area of a triangle is

A =\frac{1}{2}bh where h is the height of the triangle, namely side AC; and b is the base of the triangle, namely side BC. To find first the height, use the fact that angle B, the angle across from the height, is 66.42, and the hypotenuse is 3.9.  Right triangle trig applies:

sin(66.42)=\frac{h}{3.9} and

3.9 sin(66.42) = h so

h = 3.57

Now for the base.  Use the fact that angle A, the angle across from the base, measures 23.58 degrees and the hypotenuse is 3.9. Right triangle trig again:

sin(23.58)=\frac{b}{3.9} and

3.9 sin(23.58) = b so

b = 1.56

Now we can find the area:

A=\frac{1}{2}(1.56)(3.57) so

A = 2.8 cm squared

3 0
3 years ago
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