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Blizzard [7]
3 years ago
15

Bobby knows that the perimeter of the original rectangular is 120 meters he also knows that the perimeter of the reduced rectang

ular is 30 meters and the reduced length is 9 meters
Mathematics
1 answer:
andrey2020 [161]3 years ago
5 0
In my opinion the answer is 36 meters
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Johnny invested $1000 in savings account that yields 2% interest annually. How much will Johnny's investment be worth in 10 year
Ann [662]
Calculate the interest in a year
Multiply the annual percentage of interest by the investment to find the interest.
interest in a year = 2% × 1,000
interest in a year = 0.02 × 1,000
interest in a year = 20
The annual interest is $20

Calculate the interest after 10 years
Multiply the annual interest by 10
interest 10 years = 20 × 10
interest 10 years = 200
The sum of interest after 10 years is $200

Find total investment
investment = first investment + interest in 10 years
investment = 1,000 + 200
investment = 1,200

The investment will be worth $1,200 in 10 years
4 0
3 years ago
1.94x - 10/8x + 4.32 = [2(1.15x+8.5)]
kipiarov [429]
1,94x-\frac{10}{8}x+4,32=[2(1,15x+8,5)]\\\\
1,94x-1,25x+4,32=2,3x+17\\\\
0,69x+4,32=2,3x+17\ \ \ |Subtract\ 2,3x\\\\
-1,61x+4,32=17\ \ \ |Subtract\ 4,32\\\\
-1,61x=12,68\ \ \ |Divide\ by\ -1,61\\\\\boxed{x\approx7,9}

8 0
3 years ago
Find sin 0, where is the angle shown.<br> Give an exact value, not a decimal approximation.
hodyreva [135]

Answer:

sinθ = \frac{24}{25}

Step-by-step explanation:

By applying Pythagoras theorem in the given triangle,

Hypotenuse² = (Leg 1)² + (Leg 2)²

                      = (24)² + 7²

Hypotenuse = √625 = 25

By applying sine rule in the given triangle,

sinθ = \frac{\text{Opposite side}}{\text{Hypotenuse}}

Since, measure of opposite side = 24

Measure of hypotenuse = 25

Therefore, sinθ = \frac{24}{25} will be the answer.

7 0
3 years ago
What is the value of z in the equation 2(4z − 3 − 21) = 166 − 46? 21 24 30 36
Nataly_w [17]
2(4z-3-21)=166-46

Combine like terms
2(4z-24)= 120

Distribute
8z-48= 120

Add 48 to both sides
8z= 168

Divide both sides by 8
z=21

Final answer: z=21
5 0
3 years ago
Read 2 more answers
4/3 of 21, 2/3 of 21
nikdorinn [45]

of means multiply

4/3 x 21/1

= 84/3

= 28

2/3 x 21/1

=42/3

= 14

3 0
3 years ago
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