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gladu [14]
3 years ago
12

Marcus opens a new bank account. He deposits $25 that he won at a robotics competition. He also plans on depositing $10 a week t

hat he earns from tutoring. Philip decides he wants to save money as well. He already has $40 saved from mowing lawns over the summer. He plans to also save $10 a week from his allowance
Mathematics
1 answer:
xenn [34]3 years ago
5 0
What's the question?
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Help me get the answer ASAP! For question 9 I don’t want the expressions I want the answer please because I’m confused
rewona [7]

Answer:

answer is 25-(38/8) that is 20.25 pages or 81/4 pages

7 0
2 years ago
8
egoroff_w [7]

Answer:

i think that looks right

Step-by-step explanation:

what do you have to do??

8 0
2 years ago
What is the value of y in this triangle?
yarga [219]

Answer:

26 degrees.

Step-by-step explanation:

The angles of triangles will always add up to 180 degrees.

The first angle is 50 degrees.

The second angle, is shown with a 76 degree angle next to it.

Since this is a 180 degree line, we can find the angle of the bottom right corner by doing 180 - 76. 180 - 76 is 104.

104 + 50 = 154 degrees.

The remaining 26 degrees is the answer to the value of y.

4 0
2 years ago
Which can be used to prove that lines l and m are parallel? A) same-side exterior angle theorem B) converse of the alternate int
Debora [2.8K]

Option B, C, D

Out of four given options following three options are used to prove line l and m are parallel.

B) Converse of the alternate interior angles theorem  

C) Converse of the same-side interior angles theorem  

D) Converse of corresponding angles postulate

<u>Solution: </u>

Need to check which theorem out of four given theorem can be used to prove two lines are parallel

Lets check first what each theorem says.

A ) Same-side exterior angle theorem says that when a transversal line intersects two parallel lines , same side exterior angles are supplementary. So first condition to apply is that two lines should be parallel and this first condition is used to say same side exterior angles are supplementary. So cannot use Same-side exterior angle theorem   to prove two lines are parallel.

B)  Converse of the alternate interior angles theorem : this theorem says when two lines intersected by transversal forms equal alternate interior angles then two lines are parallel. So yes this can use to check or prove that l and m are parallel by drawing a transversal intersecting l and m and checking alternate interior angles.

C ) Converse of the same-side interior angles theorem: this theorem says when two lines intersected by transversal forms supplementary same side interior angles then two lines are parallel. So yes this can use to check or prove that l and m are parallel by drawing a transversal intersecting l and m and checking same side interior angles.

D) Converse of corresponding angles postulate: this postulate says when two lines intersected by transversal forms congruent corresponding angles then two lines are parallel. So yes this can use to check or prove that l and m are parallel by drawing a transversal intersecting l and m and checking corresponding angles.

Hence out of four given options following three options are used to prove line l and m are parallel.

B) Converse of the alternate interior angles theorem  

C) Converse of the same-side interior angles theorem  

D) Converse of corresponding angles postulate

3 0
3 years ago
Read 2 more answers
(2k 3 +6k+1)−(2k 2 +1). Simplify and put into standard form
Rzqust [24]

Answer:

2k^3-2k^2+6k.

Step-by-step explanation:

We have been given an expression and we are asked to simplify our given expression.

(2k^3+6k+1)-(2k^2+1)

Using order of operations (PEMDAS) we will remove parenthesis first.

After removing parenthesis our expression will be,

2k^3+6k+1-2k^2-1

After canceling out 1 with -1 we will get,

2k^3+6k-2k^2

So our given expression simplifies to 2k^3+6k-2k^2.

Let us write our expression in standard form. Since our expression is a polynomial and to write any polynomial in standard form,  we write each term in order of degree, from highest to lowest, left to right.

Upon putting our polynomial into standard form we will get,

2k^3-2k^2+6k

Therefore, after simplifying and putting our given expression in standard form we get our final expression as: 2k^3-2k^2+6k.

6 0
3 years ago
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