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sweet-ann [11.9K]
3 years ago
10

7s paisa 2002

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0

Answer:

gdhrjrkfkrkkrkffiktkg

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1. It costs $15.50 to buy 8 yards of material. How much
Levart [38]

Answer:

if you can split it in half its: $38.75

if you cant its: $46.50

Step-by-step explanation:

half:

1. 8+8+4=20

2. 15.50 divided by 2 = 7.75

3. 7.75 + 15.50 + 15.50 = 38.75

not half:

1. 8+8+8= 24

2. 15.50 times 3 = 46.50

8 0
3 years ago
Daniela and Jack are hiking a steady incline. They use their GPS device to determine their elevation every 15 minutes. At 15 min
kow [346]

Answer:

h=40t+9700

where the elevation, h, is in feet and time, t, is in minutes.

Step-by-step explanation:

At the time, t_1=15 min, the elevation, h_1= 10,300 feet and

at the time t_2= 30 min, the elevation, h_2=10,900 feet.

As they are hiking a steady incline, so the change in the elevation with respect to time will be constant.

So, there will be a linear relationship between the elevation and the time.

Let h be the elevation at any time instant t, so the linear relation among these quantities is

h=mt+C_0\;\cdots(i)

where m is the rate of change of elevation with respect to time and C_0 is constant.

The change in the elevation, \Delta h=h_2-h_1= 10,900-10,300=600 feet.

and the change in time, \Delta t=t_2-1_1=30-15=15 min.

So, change in the elevation in unit time,

m=\frac{\Delat h}{\Delta t}=\frac{600}{15}=40 feet/min.

Now, from equation (i)

h=40t+C_0

As the elevation, h=h_1 at time t=t_1, so

10,300=40\times15+C_0

\Rightarrow C_0=9700

Hence, the required equation is

h=40t+9700

where the elevation, h, is in feet and time, t, is in minutes.

3 0
3 years ago
What percent of 45 is 135? Explain your reasoning.
MrRissso [65]
The question is equal to: 135 / 45

Divide:

135 / 45 = 3

3 = 300%

Answer = 300% (I think)

~Hope this helped~


6 0
3 years ago
Read 2 more answers
I need help with this question
julsineya [31]
Which of the following smallest values
4 0
2 years ago
Which of the following has two congruent parallel discs for bases? A.Cylinder B.Cone C.Prism D.Pyramid
tresset_1 [31]
A cone and a pyramid don't have parallel base, they have a base with a vertice.
A prism and a cylinder have parallel bases. But the bases of a prism are not disc-shape. The bases of  a cylinder are.

The answer is a. cylinder
3 0
3 years ago
Read 2 more answers
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