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Aleksandr-060686 [28]
3 years ago
15

Please show all steps thank you

Mathematics
2 answers:
andriy [413]3 years ago
7 0
X=23

3x+18+93=180
3x+111=180
-111 -111
3x=69
3x/3=69/3
X=23
madreJ [45]3 years ago
6 0
I know I'm definitely wrong: 540. it looks like a right angle. 
I did on the calculator:
18 * 90 = 1620
1620 / 3 = 540
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Ajay reads aloud from a sports magazine. He comes across the measurement 0.63 kilometer. How should he read this measurement alo
Mashutka [201]

Answer:

"sixty-three hundredths of a Kilometer"

Step-by-step explanation:

Decimal measurements are read based on the place of their digits. In this case, Ajay would read this measurement as "sixty-three hundredths of a Kilometer". This is because the final digit of the decimal form measurement is in the "hundredths" position. One more to the right and it would be in the "thousandths" while one more to the left would be the "tenths"

4 0
3 years ago
Maria is buying a car for $18,510. She will finance $13,000 of it with a 3-year loan at 2.8% APR. What will her monthly auto pay
Eva8 [605]

<u>Answer-</u>

<em>Maria's monthly payment will be </em><em>$376.91</em><em> </em>

<u>Solution-</u>

Maria is buying a car worth of $18,510, but she will finance only $13,000 of it with a 3-year loan at 2.8% APR.

We know that,

\text{PV of annuity}=P[\dfrac{1-(1+r)^{-n}}{r}]

Here,

\text{PV of annuity=13000},\\\\\text{P=??},\\\\\text{r = 2.8\%\ annually}=\frac{2.8}{12}\text{\%\ monthly}\\\\\text{n=3 years=36 months}

Putting  the values,

\Rightarrow 13000=P[\dfrac{1-(1+\frac{2.8}{1200})^{-36}}{\frac{2.8}{1200}}]

\Rightarrow 13000=P\times 34.4909

\Rightarrow P=\dfrac{13000}{34.4909}

\Rightarrow P=376.91

Therefore, her monthly payment will be $376.91

5 0
3 years ago
Solve this linear equation by graphing <br> 1/2x-y=4<br> 2y=x+6
Oliga [24]

Answer:

see attachment for answer.

Step-by-step explanation:

1/2x-y=4 and 2y=x+6 plot

5 0
3 years ago
Compounds are different than elements because compounds are-
lutik1710 [3]

Step-by-step explanation:

A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. ... Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. They contain only one type of molecule.

4 0
3 years ago
Given AB is a diameter, find the measure of
Sonbull [250]

Answer:

Angle BCA = 90

Step-by-step explanation:

A triangle inscribed inside of a circle using the diameter as it's hypotenuse is a right triangle

Where the angle opposite of the hypotenuse ( or diameter ) is the right angle

Angle BCA is the angle opposite of the diameter

Hence BCA = 90

7 0
3 years ago
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