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3 years ago

Solve : 5(x−12)=260+4x

Mathematics

2 answers:

Alecsey [184]3 years ago

7 0

The answer is x = 320.

nignag [31]3 years ago

6 0

Answer:

x = 320

Step-by-step explanation:

Solve for x by simplifying both sides of the equation then isolating the variable

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You and your friends plan to attend the county fair this weekend. Admission to the fair is $5 and the cost per ride is $0.50. Ho

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$20- $5= $15 for rides. You can go on 30 rides.

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3 years ago

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You are assigned 32 math exercises for homework. You complete 87.5 of these before dinner. How many do you have left to do after

VARVARA [1.3K]

Answer:

Step by step:

This is if the question is saying you completed 87.5% of the exercises. Otherwise, I don't know what it is asking.

87.5% of 32=28

32-28=4

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3 years ago

L = $20 r = 4% t = 2 years

Annette [7]

I'm guessing this is a question about interest rates? If you have $20 that increases by 4% in one year, you need to multiply 20 by 1.04. This gets you $20.8.

If you are talking about compound interest, we will take this number and multiply it again by 1.04 for the second year. 20.8 x 1.04 = $21.632.

If it is instead simple interest, we will simply add another .8 dollars for each year, instead of getting 4% interest compounded every year onto the new value. This gets you $21.6.

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3 years ago

Most of earths surface is mostly covered with

Svetach [21]

<span>C) salt water is the correct answer.</span>

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3 years ago

Find the area of ABC with vertices A(3,-6), B(5,-6), and C(7,–9).

stellarik [79]

Area of a triangle ABC with the given vertices is 3 square units.

Given that, the vertices of a triangle ABC, A(3,-6), B(5,-6), and C(7,–9).

<h3>What is the area of triangle formula in coordinate geometry?</h3>

In Geometry, a triangle is a three-sided polygon that has three edges and three vertices. The area of the triangle is the space covered by the triangle in a two-dimensional plane.

Area of a triangle = $\frac{1}{2} ( |x_1(y_2 - y_3) + x_2(y_3 - y_1) + x_3(y_1 - y_2)|)$

Here, (x1, y1) = A(3,-6), (x2, y2) = B(5,-6), and (x3, y3) = C(7,–9)

Now, the area of a triangle = 1/2 (|3(-6+9)+5(-9+6)+7(-6+6)|)

= 1/2 (|3(3)+5(-3)+7(0)|)

= 1/2 (|(9-15)|)

= 1/2 × 6

= 3 square units

Therefore, area of a triangle ABC with the given vertices is 3 square units.

To learn more about the area of a area of triangle with vertices visit:

brainly.com/question/26633662.

#SPJ1

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2 years ago