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slamgirl [31]
3 years ago
5

Wei has $150.00 to make a garland using 60-cent balloons. He wants to purchase 100 blue balloons and some number of white balloo

ns. He learns that the white balloons are on sale for half price. He writes and solves an equation to find the number of white balloons he can purchase.
Which models can be used to solve the problem
Mathematics
2 answers:
nlexa [21]3 years ago
5 0

Answer:

300 = x

Step-by-step explanation:

150= 100(.60) + x(.30)

150 = 60 + x(.30)

150 - 60 = 60 - 60 + x(.30)

90 = x(.30)

90/.30=x(.30)/.30

300 = x

aalyn [17]3 years ago
3 0

Answer:

your answer is C

Step-by-step explanation:

Brainlist

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Need help with inscribed angles If M
Bogdan [553]

Given:

In the given circle O, BC is diameter, OA is radius, DC is a chord parallel to chord BA and m\angle BCD=30^\circ.

To find:

The m\angle AOB.

Solution:

If a transversal line intersect two parallel lines, then the alternate interior angles are congruent.

We have, DC is parallel to BA and BC is the transversal line.

\angle OBA\cong \angle BCD        [Alternate interior angles]

m\angle OBA=m\angle BCD

m\angle OBA=30^\circ

In triangle AOB, OA and OB are radii of the circle O. It means OA=OB and triangle AOB is an isosceles triangle.

We know that base angles of an isosceles triangle are congruent.

\angle OAB\cong \angle OBA      [Base angles of an isosceles triangle]

m\angle OAB=m\angle OBA

m\angle OAB=30^\circ

In triangle AOB,

m\angle OAB+m\angle OBA+m\angle AOB=180^\circ

30^\circ+30^\circ+m\angle AOB=180^\circ

60^\circ+m\angle AOB=180^\circ

m\angle AOB=180^\circ-60^\circ

m\angle AOB=120^\circ

Therefore, the measure of angle AOB is 120 degrees.

6 0
3 years ago
Which is the correct solution to the expression 3 + 5^2?
Sindrei [870]

3 + 5² =

3 + 25 =

28 (your answer)

6 0
3 years ago
A box in the shape of a rectangular prism has a width that is 5 inches greater than the height and a length that is 2 inches gre
aliina [53]

The volume of the rectangular prism can be express in standard polynomial as follows:

x³ + 12x² + 35x

<h3>How to find the volume of a rectangular prism?</h3>

volume of a rectangular prism = lwh

where

  • l = length
  • w = width
  • h = height

Therefore,

let

height = x

width = x + 5

length = x + 5 + 2 = x + 7

Therefore,

volume = x(x + 5)(x + 7)

volume = x(x² + 7x + 5x + 35)

volume = x(x² + 12x + 35)

volume = x³ + 12x² + 35x

learn more on volume here: brainly.com/question/2005063

#SPJ1

7 0
2 years ago
(LOTS OF POINTS)<br> SOLVE THIS IMAGINARY NUMBER PROBLEM AND *SHOW WORK* PLEASE!
Helga [31]

Answer:

The answer is 8.

Step-by-step explanation:

6 0
3 years ago
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I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would
Helen [10]

Answer:

i say in blank one its 24cm

Step-by-step explanation:

5 0
2 years ago
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