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ser-zykov [4K]
3 years ago
7

Express each equation in slope-intercept form. -2x+4y=68, 13x+4y=284

Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0
To get the answer we have to tranform into y=ax+b form
-2x+4y=68          /+2x
4y=2x+68          /:4
y=\frac{1}{2} x+17  - its the result

13x+4y=284           /-13x
4y=-13x+284        /:4
y=- \frac{13}{4}+ 71
y=-3 \frac{1}{4}x+71 - its the result
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Please tell me how to do it thank you​
Triss [41]

Answer:

First set: 0.95. Second set: 0.86. Third set: 0.88.

Step-by-step explanation:

Imagine that these are not decimals, they are regular numbers (for example: 0.88 is turned into 88). You would determine which one is the greatest depending on which one is higher (like 44 is higher than 32). Therefor the first set: 0.95 the second set: 0.86 the third set: 0.88.

6 0
3 years ago
assume that the moon is a sphere. what is the volume of the moon if its diameter is 3,476 km? Express your answer in scientific
Arada [10]

Answer:

<u>Volume=2.2*10^10  km^3 </u>

Step-by-step explanation:

Given

Diameter of moon=d=3476 km

The formula for the volume of sphere is:

V=4/3 πr^3

As it can be clearly seen that the formula uses radius, and we are given diameter. So we have to find the radius first

So,

radius=r=d/2

=3476/2

=1738 km

Now putting the value of r and pi in the formula:

V=4/3*3.14*(1738)^3

=12.56/3* 5249879272

= 21979494552.106

Rounded off to two significant digits:

<u>Volume=2.2*10^10  km^3 </u>

7 0
3 years ago
Read 2 more answers
One number is 44 times a first number. a third number is 100 more than the first number. if the sum of the three numbers is 5385
svlad2 [7]

I take it that the actual total is 538. If it really is 538538 leave me a note.

Let the first number = x

Let the second # = 44x

Let the third # = 100x

Equation

x + 44x + 100x = 538 Add the left side. All terms are part of the total.

145x = 538 Div By 145

x = 538/145

x = 3.71

Check

First number = 3.71

Second # = 44*3.71 = 163.24

Third number = 100*3.71 = 371

Total these 3 numbers 537.95 The very tiny difference is due to rounding.

5 0
3 years ago
Jennifer bought 1/2 pound of ham for 3 sandwiches. If she puts the same amount of ham on each sandwich, how much ham will each s
Vesna [10]
=1/2 pound ham ÷ 3
=1/2 ÷ 3/1
to divide fractions, multiply by reciprocal/inverse of 3
=1/2 * 1/3
=1/6 pound per sandwich

ANSWER: Each of the 3 sandwiches can have 1/6 pound of ham

Hope this helps! :)
7 0
3 years ago
Find the other perimeter
damaskus [11]

Answer:

28.56

Step-by-step explanation:

6+10+ (3.14×8)/2

= 16 + 12.56

= 28.56 ft

7 0
3 years ago
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