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Lady bird [3.3K]
3 years ago
9

EMERGENCY!

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0
20 candy bars must be sold in order to raise $5.
Ad libitum [116K]3 years ago
5 0

if she bought 4 for 1$ and sells 2 for 1$ that means she sells 4 for 2$ so every 4 she buys she makes 1$ so in order to make 5$ their must be 5 x 4bars so 20bars must be bought

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A lot is 21 ft by 30 ft. To support a fence, an architect wants an upright post at each corner and an upright post every 3 ft in
Bogdan [553]
What we know:
Lot= 21 x 30ft
Perimeter=2l+2w
Want to put 4 corner post and one post every 3 ft

What we need to find:
How many post we need.

Perimeter=2 (21)+2 (30)=42+60=102ft

102/3=34

34 posts are needed.
6 0
3 years ago
Q10 Q2.) Find the standard form of the equation of the parabola satisfying the given conditions.
Kipish [7]
Hello!!

Equation forms:

y =  \frac{x^2}{4} +  \frac{x}{2} +  \frac{13}{4}

Therefore, x^2 - 2x + 4y - 13 = 0

And, this is how your graph would look

Good luck :)

8 0
3 years ago
What is the result when 6x^3+13x^2+27x+14 is divided by 3x+2
aliya0001 [1]
6x^3+13x^2+16 is the result.
4 0
3 years ago
Please help me find the value of x the answer must be exact
jenyasd209 [6]

Answer:

x=11

Step-by-step explanation:

This is a 45°-45°-90° triangle. The two legs are the same length, and the hypotenuse is that length times the square root of two:

leg=x\\hypotenuse=x\sqrt{2}

Therefore, the value of x is 11.

You can double-check using the sine ratio:

sineX=\frac{opposite}{hypotenuse}

Insert the values:

sin45=\frac{x}{11\sqrt{2} }

Insert the equation into a calculator:

x=11

:Done

*It's important to know that, when working with trigonometry ratios, the hypotenuse is never considered the adjacent or opposite side, and the 90° angle is never used in the ratios.

6 0
3 years ago
Tanya is printing a report. There are 100 sheets of paper in the printer, and the number of sheets p after t minutes of printing
BARSIC [14]

Answer:

0=-8t + 100

8t=100

t=12.5 minutes

Step-by-step explanation:

Hope this helped! Im sorry if it didn't. Here is the link:

brainly.com/question/5881676

7 0
3 years ago
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