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Xelga [282]
3 years ago
12

Statistics tutor from this 2 way. frequency which statement is false ?

Mathematics
1 answer:
Tju [1.3M]3 years ago
8 0
<span>statement is false:

D) 15% of her students are in biology...this is false

correct: 5</span>5% of her students are in biology
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Find the value of this expression if x=1 and y=-5 <br> x^2y/7
AlekseyPX

Answer:

5/7

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What would the answer be for this equation? 3a^3b^2x2a^2b^5
Wewaii [24]

9514 1404 393

Answer:

6a^5b^7

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)(a^c) = a^(b+c)

__

It looks like you want to simplify ...

  3a^3b^2\times 2a^2b^5=(3\cdot2)a^{3+2}b^{2+5}=\boxed{6a^5b^7}

7 0
3 years ago
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The average weight of a midsize car is 1 3/4 tons. The average weight of a compact car is 6/7 of the weight of a midsize car. Ho
Alborosie
6/7 of 1 3/4......turn the mixed number to an improper fraction...and " of " means multiply
6/7 * 7/4 = 42/28 = 1 1/2...so a compact car weighs 1 1/2 tons or 1.5 tons
7 0
3 years ago
Jasmine went shopping and spent $56 on accessories and clothes. she spent $18 more on clothes than accessories. write and solve
Elena-2011 [213]
X+(x+18)=$56
56-18=38
38/2=19

She spent $19 on accessories
19+18= $37 on clothes
$37+$19=$56
8 0
3 years ago
A 6 inch personal pizza has 640 calories, with 240 of those from fat. A 12 inch pizza is cutinto 8 slices. Estimate the number o
MissTica

Given:

Number calories in a 6-inch pizza = 640 calories

For the pizza of 6 inch

A=\pi(3)^2=9\pi

For the pizza of 12 inch

A=\pi(6)^2=36\pi

Number calories in a 6-inch pizza = 640 calories, therefore:

\frac{A_{6\text{ inch}}}{A_{12\text{ inch}}}=\frac{640}{x}

Substitute:

\begin{gathered} \frac{9\pi}{36\pi}=\frac{640}{x} \\ Simplify \\ \frac{1}{4}=\frac{640}{x} \end{gathered}

And solve for x:

\begin{gathered} 1\cdot x=4\cdot640 \\ x=2560 \end{gathered}

Now, Estimate the number of calories in one slice of a 12 inch pizza:

\frac{2560}{8}=320

Answer: 320 calories

4 0
1 year ago
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