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abruzzese [7]
4 years ago
15

What is x-4=26 slove for x

Mathematics
1 answer:
Burka [1]4 years ago
4 0

x-4 = 26

x = 26+4

x = 30

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{20, 68, 70, 70, 71, 72, 75, 76}
guapka [62]

Answer:

Mean: 65.25

Median: 70.5

Mode: 70

Step-by-step explanation:

Mean is the sum of the set of numbers divided by the number of numbers in the set.

20+68+70+70+71+72+75+76=522

522/8=65.25

The median is the number that is in the middle of the set when put in numerical order.

Since there is an even amount of numbers, the two middle numbers are 70 and 71, so you would take the mean of these two numbers to find the median.

70+71=141

141/2=70.5

The mode is the number that occurs most frequently in the set.

70 appears more times than any other number, therefore it is the mode.

5 0
4 years ago
Read 2 more answers
A pump moves 42 gallons in seven minutes. Find the unite rate
avanturin [10]

Answer:

6 Gallons per min

Step-by-step explanation

Unit rate is a fraction that has a one in the denominator

so you have 42/7 = n/1  so to make 7 a 1 , we divide by 7 . We do the same thing on top 42 divided by 7 is 6.

5 0
4 years ago
A ball is thrown straight up from the roof of an 80-foot building and it's height is modeled by the h(t) = â17t2 + 68t + 80, whe
Rasek [7]

Answer:

t = 4

Step-by-step explanation:

Given that:

h(t) = 17t^2 + 68t + 80

When h(t) = 80, we have that:

80 = -17t^2 + 68t + 80\\\\=> 0 = -17t^2 + 68t\\\\=> 17t^2 - 68t= 0\\\\=> 17t(t - 4) = 0\\\\=> t = 0, t = 4\\\\

t = 0 represents when the ball has not been thrown at all, in its initial position.

t = 4 represents the time taken for the ball to hit the roof of the building on its way down.

Hence, our answer is t = 4. (t is in secs)

7 0
3 years ago
Read 2 more answers
What is AE ? <br><br><br> ___ units
sattari [20]


We can form two ratios to help us solve this:

(2x+6):10 = (x+6):8


(2x+6)         (x+6)
---------   =   --------
   10              8


Cross multiply:
8(2x+6) = 10(x+6)

Foil:
16x + 48 = 10x + 60

Move like variables to the same side:
16x - 10x = 60 - 48
6x = 12
x = 2

Line AE = 2x+6
Plug 2 for x into the equation: 2(2) + 6 = 10

Hope this helps, and May the Force Be With You!

-Jabba



6 0
3 years ago
Matt bought a new car at a cost of $25,000. The car depreciates approximately 15% of its value each year. What will the car be w
White raven [17]
The car will be worth $4,921.86
5 0
3 years ago
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