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3 years ago

$8.00 divided by 1/4

Mathematics

1 answer:

vazorg [7]3 years ago

5 0

The answer is 32, because when you divide by a fraction you have to multiply the number by it's reciprocal.

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AM GIVING 20 POINTS! <br><br> What is -6/7 x (-5/4)?

Papessa [141]

Answer:

Exact Form: 15 /14

Decimal Form: 1.07142857...

Mixed Number Form: 1 1/ 14

5 0

2 years ago

Which triangle has hypotenuse Side B F? A cube. The top face has points G, B, C, F and the bottom face has points H, A, D, E. tr

jolli1 [7]

Answer:

ΔBFG

Step-by-step explanation:

Since top face points are

G, B, C and F

and bottom face points are

H, A, D and E

The side BF can be a hypotenuse of the triangle BFG only

This triangle is on the top face and all the rest given triangles are formed by the points that are not on the same face, therefore BF can't be a hypotenuse of those, as ether B or F is becoming a right angle of the triangles.

3 0

3 years ago

Simplify the expression. Write your answer as a power.<br><br> (−5/7)^8⋅(−5/7)^9

dem82 [27]

Answer: $(-\frac{5}{7})^{17}$

Step-by-step explanation:

The expression can be simplified by applying the a properties of exponents, specifically the Product of powers, which states that:

$(b^a)(b^c)=b^{(a+c)$

Where b is the base and a and c are exponents.

Then simplify it by rewriting the base ( $-\frac{5}{7}$ ) and adding the exponents of the expression (8 and 9).

You will get the expression simplified and written as a power:

$(-\frac{5}{7})^8(-\frac{5}{7})^9=(-\frac{5}{7})^{(8+9)}=(-\frac{5}{7})^{17}$

3 0

4 years ago

if you made 180$ every week, how much would you have in a year, it's a simple one and it's not for school I make 40 dollars a da

astraxan [27]

Answer:

About $9360

Step-by-step explanation:

There's about 52 weeks in one year, so if you multiply 52 by your weekly gain, your annual income will be approximately $9360.

I hope this is helpful ^^

8 0

3 years ago

The probability that a single radar station will detect an enemy plane is 0.65. (a) How many such stations are required to be 98

Inga [223]

Answer:

4 stations

Step-by-step explanation:

If we need to be at least 98% certain that an enemy plane flying over will be detected by at least one station, we must ensure that there is at most a 2% chance that no radar stations detect the plane.

The probability that a single radar station does not detect the plane is 0.35.

For n radar stations:

$P=0.02=0.35^n\\n=\frac{log(0.02)}{log(0.35)}\\n=3.73$

Rounding up to the next whole station, at least 4 stations are needed.

4 0

3 years ago