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SCORPION-xisa [38]
3 years ago
7

The difference between 2 numbers is 52. The sum of one-fourth the larger number and twice of the smaller number is 85. Find the

2 numbers, and show your work
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0
x\ \textless \ y\\\\
y-x=52\\
\dfrac{y}{4}+2x=85\\\\
y=52+x\\
y+8x=340\\\\52+x+8x=340\\
9x=288\\
x=32\\\\
y-32=52\\
y=84

32 and 84
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PLEASE I NEED HELP INSTANTLY <br> I WILL GIVE BRAINLY AND THANKS
Goryan [66]

Answer:

so you're going to need to find the slope. in order to do that use (y2-y1)/(x2-x1)

(7-(-2))/(0-8)

simplify

9/-8

simplify -9/8

now using y=mx+b, we need to find b. so we can plug in the coordinates of (0,7) or (8,-2). let's use (8,-2) because it involves more math.  

y=mx+b

-2=(-9/8)(8)+b

multiply (-9/8) by 8 to get -9

-2=-9+b

add 9 to both sides

7=b

so our equation is now

y=-(9/8)x+7

Step-by-step explanation:

3 0
2 years ago
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Determine whether the ratios 35 feet every 15 seconds and 7 feet every 2 seconds are equivalent.
murzikaleks [220]

Answer:

Step-by-step explanation:

Find the rate of those two statements:

28 ÷ 16 = 1.75

1.75 ft per seconds

7 ÷ 4 = 1.75

1.75 ft per seconds

Two statements have the same rate, therefore 28 feet every 16 seconds and 7 feet every 4 seconds are equivalent

5 0
1 year ago
There was no actually pyramid for these questions it tells you the measurements in the problem though. please help me
Nimfa-mama [501]
V=448 in^3
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w=12
h=?
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h=1344/96
h=14 in


V=l•w•h/3
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l=3in
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3 years ago
(Can somebody find the sum of this) <br><br><br> (5+2i)+(8-3i)
7nadin3 [17]
Hey there!!

Okay so here are the steps....

(5 + 2i) + (8 - 3i)       <---- when we have exponents we should worry about the                                            "i" because it is equal to √-1 but here it isn't the case.
<u>

(13 - i)</u>
<u />   <----- This is the answer!



<u />I hope this helps! ^__^
7 0
3 years ago
F(3)= 5x^2 - 4x + 9<br> evaluate this quadratic function
Neporo4naja [7]

Answer:

f(3) = 38

Step-by-step explanation:

Given the quadratic function

f\left(x\right)=\:5x^2\:-\:4x\:+\:9

Evaluating the quadratic function

f\left(x\right)=\:5x^2\:-\:4x\:+\:9

substitute x = 3

f\left(3\right)=\:5\left(3\right)^2\:-\:4\left(4\right)\:+\:9

f(3) = 45-16+9

f(3) = 38

Therefore,

  • f(3) = 38
6 0
2 years ago
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