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3 years ago

Ows the length of 3 movies in each of 3 categories. Choose the formula that could be used in cell B2.

Mathematics

1 answer:

Artyom0805 [142]3 years ago

8 0

From the choices above, <span>the formula that could be used in cell is B2.</span>B. 3 * E2 - (C2 + D2).

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If l is parallel to m, solve for x and y.

adelina 88 [10]

Answer:

x=17, y=9

Step-by-step explanation:

(5x - 38)° = (3x - 4)°

2x = 34

x=17

(5(17)-38))=47

90°+47°+(7y-20)=180°

7y-20=43°

y=9

3 0

3 years ago

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When Amber does her math homework, she finishes 10 problems every 7 minutes. How long will it take for her to complete 35 proble

MA_775_DIABLO [31]

Answer:

24 1/2 minutes

Step-by-step explanation:

10 problems in 7 minutes

5 problems in 3 1/2 minutes

multiply 5 × 7 (5×7 = 35) to get 35

multiply (or add) 3 1/2 minutes times 7 (or add it together 7 times

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4 years ago

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Please help me!! I've been stuck on this question for ages.

Dmitry [639]

So basically do 870/3x2 = 580 Spanish speaking boys.
Then 800/5x3 = 320 Spanish speaking girls.
In total 900 students speaking Spanish

6 0

3 years ago

Express answer in exact form.

Karo-lina-s [1.5K]

Radii and chord form an equilateral triangle. The angle of the larger segment is $360^o-60^o=300^o$ .

The length of the larger segment is

$l= \frac{2r\pi\alpha}{360^o}= \frac{2\times 8\pi300^o}{360^o}= \frac{ 16\pi5}{6}= \frac{ 8\pi5}{3}=\frac{ 40\pi}{3}$

3 0

3 years ago

Need help please can you give answer with working out i can not answer as it is quite gard

Elis [28]

Step-by-step explanation:

$\text{Given:}\\\\AB=3x-4\\AC=2x+12\\BC=7x-2\\AB:AC=1:2\Rightarrow(3x-4):(2x+12)=1:2\\\\\dfrac{3x-4}{2x+12}=\dfrac{1}{2}\qquad\text{cross multiply}\\\\(3x-4)(2)=(2x+12)(1)\qquad\text{use the distributive property}\\\\(3x)(2)+(-4)(2)=2x+12\\\\6x-8=2x+12\qquad\text{add 8 to both sides}\\\\6x-8+8=2x+12+8\\\\6x=2x+20\qquad\text{subtract}\ 2x\ \text{from both sides}\\\\6x-2x=2x-2x+20\\\\4x=20\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{20}{4}\\\\x=5$

$\text{Put the value of}\ x\ \text{to}\ AC\ \text{and}\ BC:\\\\AC=2(5)+12=10+12=22\\\\BC=7(5)-2=35-2=33\\\\AC:BC=22:33=\dfrac{22}{33}=\dfrac{22:11}{33:11}=\dfrac{2}{3}=2:3$

4 0

3 years ago