MATHEMATICS MIDDLE SCHOOL

How do I solve this
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Answers

Answer 1

Answer:

CD = √(10²+6.8²) = 10.33

AC = √(14.2²+10²) = 17.36

AD = 14.2+6.8=21

21 +10.33+6.8=38.13 cm (perimeter) rounded 38 cm

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Please help me is the question A,B,C, or D.Stella has Coupon 2, which gives her 15% off concession stand purchases. She needs to buy 5 sports drinks, but she hasn't decided how many hot dogs she wants to order. Let x equal the number of hot dogs that Stella wants to purchase. Which expression can she use to find the cost of 5 sports drinks and hot dogs with Coupon 2?

A. 0.85 1.75 (33) +1.50 (5)

B. 0.15 1.75 (32) +1.50 (5)

C. 0.85 1.75 +1.50 (5x)]

D. 0.15 1.75 (2) + 1.50]

Answers

Answer:

chose b

Step-by-step explanation:

chose b for now and if its wrong it literaly might be c or a

Is 200 mL less than or greater than 2 L?

Answers

200 ML is greater than 2ML cause the 2 less than 200ML

200 mL is less than 2 liters because 200 ml=0.2 liters and 2 L= 2,000 mL. Hope this helped ;)

A car 12.8 feet long. Jane uses a scale of 1 in. to 2 ft. for making a model of a car. How long is her car model.

Answers

the total length of her car model should be 6.4

The total length of her car model should 6.4 in. If you change the 2 ft into inches, the ratio becomes 1in. to 24in. Change the 12.8ft. to in. and get 153.6in. (by multiplying by 12) divide 153.6in. by 24in. and get 6.4in.

What is 0.6 divided by 12.9?

Answers

$0.6 / 12.9 = 0,047$ (in approximation)

$0.6:12.9\approx0,0465\approx0,05$

TIME REMAINING01:53:13
Rangsey is doing a science experiment on evaporation. He fills a container of water and measures the height of the water in
the container as 24.5 centimeters. After 15 days, the height of the water is 0.8 of its original height. What is the height of the
water in the container after 15 days?
0.76 centimeter
1.96 centimeters
7.6 centimeters
19.6 centimeters