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viva [34]
3 years ago
9

A train travels at 100 miles per hour. Write an equation that compares the time (t) with the distance (d).

Mathematics
2 answers:
SVEN [57.7K]3 years ago
7 0

Answer:

d = 100 * t

Step-by-step explanation:

    d

------------

S    l    t

distance = d

time = t

speed = 100miles/h

d = 100 * t

Marysya12 [62]3 years ago
4 0

Answer: d = 100t

Hope this helps!

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Which measurements are equivalent to 3 yards
timofeeve [1]

The equivalent measures to 3 yards are;

108 inches and ; 6 ft 36 inches

Here, we want to get the values of the measurements that are equivalent to 3 yards

To do this, we need to know how to convert between the various measure types

We proceed as follows;

Mathematically, 1 yard is 36 inches; also, 1 yard is 3 feet

So, 3 yards is (3*36) = 108 inches

Also, 3 yards is (3*3) = 9 feet

Also, 1 ft is 12 inches;

So, 6 ft 12 inches is 7 feet

108 inches is as seen above, so 3 yards equal this

3 yards is not 108 feet as calculated above

6 ft 36 inches

36 inches is 3 ft; so by addition; 6 ft 36 inches is 9 ft

So, the correct answers here are 108 inches and 6 ft 36 inches

6 0
1 year ago
What is the area model for 821 x 54
Kay [80]
4,334 Is The Answer


821
x
54
———
3284
1050
————
4,334

7 0
3 years ago
The number of square feet per house is normally distributed with a population standard deviation of 154 square feet and an unkno
11111nata11111 [884]

Answer: (1500.66,1599.34)

Step-by-step explanation:

Confidence interval for population mean:

\overline{x}\pm z^*\dfrac{\sigma}{\sqrt{n}}

,where \overline{x} = Sample mean , n= Sample size, z* = critical two tailed z-value , \sigma = population standard deviation.

As per given , we have

n= 16

\sigma = 154 square feet

\overline{x}= 1550 square feet

\alpha= 1-0.80 = 0.20

Critical z-value = z_{\alpha/2}=z_{0.2/2}=z_{0.1}=1.2815

Confidence interval for population mean:

1550\pm (1.2815)\dfrac{154}{\sqrt{16}}\\\\ = 1550\pm (1.2815)\dfrac{154}{4}\\\\= 1550\pm 49.33775\\\\ =(1550-49.33775,\ 1550+49.33775)\\\\\approx (1500.66,\ 1599.34)

Required confidence interval:  (1500.66,1599.34)

6 0
3 years ago
Garrett ran 21 1/2 miles last week. He ran
Aneli [31]

Answer:

39 3/8

Step-by-step explanation:

4 0
3 years ago
Somebody please help.
BabaBlast [244]
I believe the answer is B. The reason is because when you add 65 and 65 you get 130.
6 0
3 years ago
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