MATHEMATICS HIGH SCHOOL

Sally's cat is 5 years older than Helen's dog. The product of their ages is 104. How old is Helen's dog?A. 55

B. 49

C. 8

D. 13

Answers

Answer 1
Answer: Helen's dog is 8 and Helens cat is 13 if you multiply those two together you get a product of 104 so the answer is C = 8
Answer 2
Answer: The answer should be C. The formula would be x=104-5/ what ever number is more than the number you need to find.

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Britt hires a personal trainer for the summer.The trainer charges a $40 sign up fee plus
$22.50 per hour. If Britt spends a total of
$940 over the summer, how many hours did
she train with the trainer?

Answers

13 hours ( Is correct) hfjdjdkf

Tweleve cows produce 224,988 pounds of milk. find the unit rate in rotations per second.

Answers


If we're working with pounds of milk, then either the top or the bottom of any
unit rate must have units of pounds.  Rotations are on a different planet.

At the metal-casting company where you work, you must set up a conveyor system to move castings from the furnace to the heat treatment area 55 yards away. The castings cool at the rate of 0.3°F (degrees Fahrenheit) per second and must not be allowed to cool more than 7°F before being heat treated. What is the minimum speed, in feet per second, that the conveyor must move?

Answers

Answer:

the minimum speed, in feet per second, that the conveyor must move is 7.07143 ft/sec

Step-by-step explanation:

Let's assume time it takes to cool is 't' seconds

so, we are given

The castings cool at the rate of 0.3°F (degrees Fahrenheit) per second

so, total change in temperature will be

=0.3* t

=0.3t

must not be allowed to cool more than 7°F before being heat treated

so, that temperature must be equal to 7

0.3t=7

now, we can solve for t

t=(7)/(0.3)

t=(70)/(3)sec

now, we are given length of casting is 55 yards

so, firstly we will change it into ft

1 yard =3 ft

so,

55 yard=3* 55 ft

55 yard=165 ft

so, we have

total length =55 ft

now, we can use speed formula

speed=(length)/(time)

we can plug values

speed=(165)/((70)/(3) )

so, speed is 7.07143 ft/sec

Answer:

7.07 is the answer i got as well

Step-by-step explanation:

CWhich dimensions can create more than one triangle?
three angles measuring 75°, 45°, and 60°
three sides measuring 7 m, 10 m, and lym
three angles measuring 40°, 50%, and 60°
three sides measuring 3 cm, 4 cm, and 5 cm

Answers

Answer:

Step-by-step explanation:

three angles measuring 75°, 45°, and 60°

75+45+60 = 180 -> can create triangle

three sides measuring 7 m, 10 m, and lym (assume this is 16)

satisfy this a-b<c<a+b -> can create triangle

three angles measuring 40°, 50%, and 60°

40+50+60 = 150 ≠ 180 -> cannot create triangle

three sides measuring 3 cm, 4 cm, and 5 cm

satisfy this a-b<c<a+b -> can create triangle

An electrician charges a $20 house call fee plus $30 per hour of work. Which equation represents this relationship?An electrician charges a $20 house call fee plus $30 per hour of work.

Answers

Answer:

20+30h

......................................

How u write an inequality for brigitte is shorter than 5 feet (brigitte height =h)

Answers

Since Brigitte in shorter or lesser than 5 feet, h ges on the right of the lesser than symbol.
5 < h
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