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Bess [88]
3 years ago
5

Evaluate the expression 5 x (8+6-2)

Mathematics
2 answers:
Rom4ik [11]3 years ago
7 0

Answer: 60

Step-by-step explanation:

vaieri [72.5K]3 years ago
6 0

Answer:

The answer is 60

Step-by-step explanation:

You guys can trust me i did it on khan academy today!!

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Write an equation you could use for this word problem. Do not need to solve.
blondinia [14]

Answer:

23 + x = 40

Step-by-step explanation:

Hi,

23 is the total amount your friend has. 23 + the total amount you have is equal to 40. Since we don't know how much you have, we can write x. Therefore, 23 + x = 40 would be correct.

Hope this helps :)

7 0
2 years ago
Read 2 more answers
There is a daily fee for renting a moving truck, plus a charge of $0.50 per mile driven. If driven 48 miles, it costs $64 to ren
Delicious77 [7]
Let x be the daily fee
0.5(48) +x = 64  is the equation, 
Multiply:
24 + x = 64
Subtract:
 x=40
The daily fee is $40
Hope this helps

Credit to Bob3141 (My first answer was wrong)
3 0
3 years ago
Read 2 more answers
Mr liston bought lunch for $ 12.80. He gave the waiter a tip of 15 %. How much money did the waiter recieve?
Serga [27]
The answer would be B, because 12.80 times .15 is 1.92
5 0
3 years ago
Read 2 more answers
a square has 9 inch sides. every side of a pentagon is also 9 inches long. are their perimeters the same? explain
Klio2033 [76]
No. A square is four sides, and a pentagon is five sides. The pentagon's perimeter would be greater than the square's because it has more sides.
8 0
3 years ago
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Find the value of k and x2<br> x^2+ 13x + k = 0, x1=-9
Anarel [89]

Given:

The quadratic equation is:

x^2+13x+k=0

x_1=-9

To find:

The value of k and x_1.

Solution:

We have,

x^2+13x+k=0                ...(i)

Putting x=-9, we get

(-9)^2+13(-9)+k=0

81-117+k=0

-36+k=0

k=36

Putting k=36 in (i), we get

x^2+13x+36=0

Splitting the middle term, we get

x^2+9x+4x+36=0

x(x+9)+4(x+9)=0

(x+9)(x+4)=0

x=-9,-4

Here, x_1=-9 and x_2=-4.

Therefore, the required values are k=36 and x_2=-4.

3 0
2 years ago
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