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sveta [45]
3 years ago
11

What is z? Z/100= 6/4

Mathematics
2 answers:
baherus [9]3 years ago
6 0

Answer:

z = 150

Step-by-step explanation:

ioda3 years ago
3 0

Answer:

2

Step-by-step explanation:

6-4=2

200/100=2

i think

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If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle? A) (x
Andrei [34K]

Answer:

\large\boxed{A.\ (x+6)^2+(y+10)^2=20}

Step-by-step explanation:

The standard form of an equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

We have the endpoints of the diameter of a circle (-8, -6) and (-4, -14).

The midpoint of a diameter is a center of a circle.

The formula of a midpoint:

\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

Substitute:

x=\dfrac{-8+(-4)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{-6+(-14)}{2}=\dfrac{-20}{2}=-10

We have h = -6 and k = -10.

The radius is the distance between a center and the point on a circumference of a circle.

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute (-6, -10) and (-8, -6):

r=\sqrt{(-8-(-6))^2+(-6-(-10))^2}=\sqrt{(-2)^2+4^2}=\sqrt{4+16}=\sqrt{20}

Finally we have

(x-(-6))^2+(y-(-10))^2=(\sqrt{20})^2\\\\(x+6)^2+(y+10)^2=20

5 0
4 years ago
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Susan buys the items listed below at a grocery store.
Yanka [14]

Answer:

Susan should get a loan and jjustpay without stressing herself and calculaitingthis

 

Step-by-step explanation:

8 0
3 years ago
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What is -2 and 2 fifths squared?<br><br> Thanks!
Luba_88 [7]

Answer:

\frac{144}{25}

Step-by-step explanation:

We begin with (-2 \frac{2}{5} )^2

First, lets turn this mixed number into an improper fraction/

-2 \frac{2}{5} =-\frac{12}{5}

Now that we have this, we can square it and then simplify it.

(-\frac{12}{5} )^2 =\frac{12^2}{5^2} *(-1)^2=\frac{144}{25} *1=\frac{144}{25}

3 0
3 years ago
A bag of chips contains 375 calories and
NISA [10]

Answer:

I like chips ;))))))))))))))))

6 0
3 years ago
Can u help me on this one because my teacher did not show me how to do it 6+7 (8b+4)
Ber [7]
<span>6+7 (8b+4)

</span><span><span>6+<span><span>(7)</span><span>(<span>8b</span>)</span></span></span>+<span><span>(7)</span><span>(4<span>)
</span></span></span></span><span><span>6+<span>56b</span></span>+<span>28
</span></span>
<span>Combine Like Terms:
</span>
<span>6+<span>56b</span></span>+<span>28
</span>
<span>(<span>56b</span>)</span>+<span>(<span>6+28</span><span>)
</span></span>
answer: <span><span>56b</span>+<span>34</span></span>
7 0
3 years ago
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