Find the area of the figure to the nearest tenth.a.

77.9 sq mm

c.

70 sq mm

b.

72.5 sq mm

d.

540 sq mm

Answers

Answer 1

Answer: Look at the picture in the attachment.
The area of the figure is equal to the sum of the areas A₁ and A₂.

$A_1=9 \ mm * 4.8 \ mm=43.2 \ mm^2 \nA_2=(9 \ mm * 7.7 \ mm)/(2)=(69.3 \ mm^2)/(2)=34.65 \ mm^2 \n \nA=43.2 \ mm^2 + 34.65 \ mm^2=77.85 \ mm^2 \approx 77.9 \ mm^2$

The answer is A.

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Solve 4^(2x) = 7^(x−1).
What times 5 equals 70

Out of 32 students in a class, 5 said they ride their bikes to school. based on these results,how many of 800 students in the school ride threr bikes to school?

Answers

Do a proportion.
5/32= x/800
Cross multiply and divide
800 x 5= 4,000
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Which of the following is an example of an improper fraction?a. 6/7
b. 3/10
c. 10/3
d. 4/5

Answers

Improper fractions are called such because the numerator is greater than the denominator. The only way it can be simplified is through a mixed fraction.

c) 10/3 is the improper fraction.

10/3 is simplified into 3 1/3.

BD bisects ABC. m ABD=2y m DBC=5y-12. What is ABC?

Answers

Answer:

Step-by-step explanation:

The two angle created by the bisector have equal measures, so ...

m∠ABD = m∠DBC

2y = 5y -12

0 = 3y -12

0 = y -4

4 = y

2y = 2·4 = 8

m∠ABC = 2×m∠ABD = 2×8

m∠ABC = 16

_____

We presume the angle measures are in degrees, though that is not specified by the problem given here. These numbers could all be radians, but 16 radians is more than a couple of times around the circle.

If gas costs $2.49 per gallon, how many whole gallons of gas could you buy with $15.00?(Make sure to answer with a whole number.

Answers

15/2.49 = 6.02 round down to a whole number is 6

Answer: 6.02

Step-by-step explanation:

If we know 1 gallon = 2.49

We would have to do 15.00 divided by 2.49 in order to figure out how many gallons we need. When we do that we would get 6.024 but you can round by the nearest tenth because you need to have a whole number and you would get 6 ·ω·

The area of a rectangle is 240 in squared. the ratio of the length to the width is 5 : 3. find the length and the width.

Answers

hey user!!

your answer is here...

given the ratio between the Length and breadth (width) of the rectangle is 5 : 3

let the Length and breadth of the rectangle be 5x and 3x approximately.

area of the rectangle = 240in²

therefore l × b = 240in²

==> 5x × 3x = 240in²

==> 15x² = 240in²

==> x² = 240/15

==> x² = 16

==> x = √16

==> x = 4in

hence, length of the rectangle = 5x = 5 × 4 = 20in

breadth of the rectangle = 3x = 3 × 4 = 12in

cheers!!

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