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serious [3.7K]
3 years ago
7

Brady uses 3 balloons to make one decoration for a school party. If he has 400 balloons,which equation below uses compatible num

bers to estimate the number of decorations that Brady will be able to make? A 300:3=100 B 390:3=130 C 450:3=150 D 400:2=200
Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer: the answer is b

Step-by-step explanation:

If you take 400 balloons and divide it by 3 balloons; its cause 3 balloons make 1 decoration you get 133.3333333333 decorations in all but, as an estimation is 130 decorations

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I really NEED HELP<br> Ill give you a brainiest if you guys help me ASAP because I dont understand
MAXImum [283]

Answer:

<h2>I think it is B if I am wrong i am <u><em>sooooo</em></u> sorry!</h2>

Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
Find the surface area of this triangular prism
Karo-lina-s [1.5K]

Answer:

This may not be the numbers but just follow the way in how i did it hope it helps!!!

Step-by-step explanation:

SA= 2lw x 2lh x 2wh

Length - 5m

Width - 4m

Height - 6m

= 2 (5 x 4)+2 (5 x 6)+2 (4 x 6)

=2 ( 20)+2 (30)+2 (24)

= 40 + 60 + 48

=148

The dimensions of a second rectangular prism that will have the same surface area will be the below:

Length - 6m

Width -  5m

Height - 4m

SA = 2lw + 2lh + 2wh

= 2(6 x 5)+2 ( 6 x 4) +2 ( 5 x 4)

=2(30)+2 (24)+2 (20)

=60 + 48 + 40

= 148

7 0
3 years ago
How do you solve (2x-7)(5x+3)=0
sammy [17]

Step-by-step explanation:

First I do it as separate equations 2x-7=0 and 5x+3=0. In this equation you get two answers so you first answer 2x-7=0

2x-7=0

    +7   +7

2x=7

/2   /2

x=7/2

Then do 5x+3=0

                     -3  -3

                5x=-3

                    /5 /5

                x=  -3/5

Then you can check by putting them back in.

7 0
3 years ago
if a parabola has its vertex at (3,-5) and one of its x-intercepts at x=9, what is the other x-intercept?
Flauer [41]
The other x intercept is
3 0
3 years ago
George walked on a treadmill 16 3/4 miles over 4
slamgirl [31]

Answer:

4 3/16 miles a day

Step-by-step explanation:

16 3/4 miles in 4 days

Divide 16 3/4 by 4

16 3/4 = 67/4

4 = 4/1

To divide you multiply by the reciprocal(flip of the numerator and denominator)

67/4 ÷ 4 = 67/4 x 1/4 = 67/16

67/16 = 4 3/16

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

5 0
3 years ago
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