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ryzh [129]
3 years ago
10

Howard works 7 hours each day. He earns $8.00 per hour. Which number sentence shows the total amount of money he earns in one da

y? The answers are as follow 7+8 = 15 , 8-7 = 1, 7x8=56 or 8x8 = 64. Select one answer
Mathematics
1 answer:
Stells [14]3 years ago
6 0
7x8=56
He works 7 hours a day, so for each hour Howard earns 8$. 7hoursx8$ per hour=56$ for 7 hours
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Given a point on a line and the equation of a parallel or perpendicular line, write the equation of the line in point-slope form
Arlecino [84]

Answer: y - 5 = 0(x - 1)

==================================================

Explanation:

Recall that point slope form in general is written as such

y - y1 = m(x - x1)

where,

m is the slope

(x1,y1) is the point the line goes through

The given equation y = 7 can be written as y = 0x+7. So we see that this line has a slope of m = 0

Plug m = 0 along with the given point (x1,y1) = (1,5) into the point slope equation and we get

y - y1 = m(x - x1)

y - 5 = 0(x - 1)

which is the final answer

note: the equation in bold can be rearranged and simplified to get y = 5; however your teacher seems to want the answer in point-slope form, so we leave it as such.

6 0
3 years ago
What is the volume of a rectangular prism with a length of 1.4 meters, a width of 0.5 meter and a height of 1.8 meters?
AfilCa [17]

Answer:

1.26 m cubed

Step-by-step explanation:

1.4*.5*1.8= 1.26

8 0
2 years ago
Read 2 more answers
Help Please!!!!!!! Need Help!!!​
Citrus2011 [14]

Answer:

925

Step-by-step explanation:

In order to solve this summation formula, you need to first understand what it means. The summation symbol is tell you to add the terms in a sequence. Below the summation sign, there is a variable and number; the variable n is the index of summation and the number 1 is the lower limit of summation or the first value of the sequence. The number 25 above the summation sign is the upper limit (so there would be 25 terms, with the first being 1). The polynomial to the right of the summation symbol represents the explicit function for each term. For example, using this, the first term would be (3(1) - 2) and the second (3(2) - 2) and so on. This means the value of that equation is:

(3(1) - 2) + (3(2) - 2) + (3(3) - 2)... + (3(25) - 2)

One way to solve this is to write all 25 of the terms and add them, but since that's tedious, you can solve this by first doing the basic summation of 1 to 25 and then inputting that into the equation:

1 + 2 + 3... + 25 = (25 × 26)/2 (when the first number is one and the rate of change is 1, the sum of the terms in a sequence is (n*(n+1))/2)

= 325

Now, that you know what the sum of the sequence of terms 1 to 25 are, you can multiply this by the constant since if you break up the equation you would be multiplying 3 by 1 then 3 by 2 and so on until 25, or 3 × (1 + 2 + 3... + 25):

3 × 325 = 975

At this point, you just need to add (-2) × 25. You do this because since there are 25 terms, if you subtracted 2 each time, you would subtract 2 twenty-five times:

975 + ((-2) × 25)

= 975 - 50

= 925

3 0
2 years ago
Quizzz please help !
maw [93]

Answer:

it costs 2 dollars :)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A shipping crate is packed with unit cubes. The length of the crate is 4 units, the width is 2 units and the height is 4 units.
Dmitry_Shevchenko [17]

Answer:

32 unit³

Step-by-step explanation:

Length of the crate has been given as 4 units

width of the crate = 2 units

Height of the crate = 4 units

Since the crate has been packed packed with the unit cubes.

Therefore, shape of the crate will be in the form of a rectangular prism.

Volume of the prism = Length × width × height

                     crate     = 4 × 2 × 4

                                   = 32 unit³

Volume of the shipping crate is 32 unit³.

4 0
3 years ago
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