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Helen [10]
2 years ago
12

What is the value of x in the equation −3(10x − 12) + 15x = 54?

Mathematics
1 answer:
Deffense [45]2 years ago
4 0
It’s B. Yeah trust me in this one
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a used truck for $4,500 he made an agreement with the dealer to put $1,500 and make payments of 350 for the next 10 months that
Aneli [31]
Ist amount paid = $1500
Making $350 for 10 months = 10*350 = $3500
Total amount paid  = 1500 + 3500 = 5000
So an amount of $5000 was paid to cover the cost of $4500 within the ten month period.
I = PRT
Interest, I = 5000 - 4500 = 500Time, t = 10 months = 10/12 = (5/6) year.Principal P = 4500
R = I /(PT)  R = 500 / (4500*5/6)
R = (500*6) / (4500*5)
R = 0.1333..
R ≈ 13.33 %  per annum.

3 0
3 years ago
Classify the polygons as regular or irregular, and concave or convex. HELP ASAP!! TWO PICTURES!!
mylen [45]

Answer:

First figure is regular and convex.

Second figure is irregular and convex.

Step-by-step explanation:

Here given 2 polygons we have to classify these whether these are convex, concave, regular and irregular.

Regular Polygon is the polygon which have all sides and all angles equal.

Convex Polygon is the polygon in which measure of all interior angles less than 180° and if measure of each of interior angle greater than 180° then it is concave.

In the first figure, all sides are equal therefore and each of interior angle of polygon is less than 180°. Hence, the polygon is regular and convex.

In the second figure, all sides are not equal  and each of interior angle of polygon is less than 180°. Hence, the polygon is irregular and convex.

6 0
3 years ago
The line parallel to y = -3/2x that goes through the point (-2,0)
fgiga [73]

Answer:

a

Step-by-step explanation: cause

7 0
2 years ago
17 percent of what is 40<br>45 of 155 is what<br>What percent of 153 is 137<br>​
Keith_Richards [23]

Answer:

Number 1 :If you are using a calculator, simply enter 40×100÷17, which will give you the answer.

Number 2: 45 percent of 155 is 69.75.

Number 3: 137 is what percent of 153? = 89.54

3 0
3 years ago
Read 2 more answers
Find the x-coordinate of Q' after Q(-2.5) was reflected over the line y = -x + 4.
kenny6666 [7]

Answer:

Q' would be (5, 6)

7 0
3 years ago
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