All categories

3 years ago

Gwendolyn is asked to solve the equation -43 – 3) = 20. She sh

Mathematics

1 answer:

choli [55]3 years ago

4 0

Answer:

-4x + 12 = 20 is incorrect. she added 12 to 20 instead of subtracting 12 from both sides.

Step-by-step explanation:

It should have been, write problem

-4(x - 3) = 20

Use distributive property.

-4x + 12 = 20

subtract 12 from each side

-4x =8

divide each side by -4

x = -2

You might be interested in

How do you solve? using either factoring, completing the square, or quadratic formula?

lina2011 [118]

X=sq root of 11; x=-sq root of 11

6 0

3 years ago

Read 2 more answers

In the cafeteria there are 283 bananas left and 7 classes who still need to eat if each class shares the bananas equally how man

romanna [79]

Well we don't know the total of students so we divide 283 by 7.Which equals approximately to 41.

5 0

3 years ago

How do you find the missing dimension of a triangle

ki77a [65]

Answer:

The Pythagorean theorem states that a2 + b2 = c2 in a right triangle where c is the longest side. You can use this equation to figure out the length of one side if you have the lengths of the other two.

4 0

3 years ago

Eriko cuts out a paper quadrilateral with two angles that each measure 60° and two angles that each measure 120°. Only two of th

Whitepunk [10]

Answer:

The quadrilateral is Parallelogram.

Step-by-step explanation:

A quadrilateral is a four-sided regular polygon.

A parallelogram is a quadrilateral.

The opposite sides of a parallelogram are parallel and equal in length.

The opposite angles of a parallelogram are also equal.

In this case the quadrilateral is defined as follows:

two angles that each measure 60°
two angles that each measure 120°
Only two of the sides have a length of 3.2 inches.

Consider the quadrilateral ABCD below.

The quadrilateral ABCD is Parallelogram.

8 0

3 years ago

Write an iterated integral for ModifyingBelow Integral from nothing to nothing Integral from nothing to nothing Integral from no

coldgirl [10]

With the given order of integration, the interval over D is

$\displaystyle \iiint_D f(x,y,z) \, dV = \int_{-3}^{3} \int_{-\sqrt{9-x^2}}^{\sqrt{9-x^2}} \int_{-\sqrt{9-x^2-z^2}}^{\sqrt{9-x^2-z^2}} f(x,y,z) \, dy \, dz \, dx$

8 0

3 years ago