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Phantasy [73]
3 years ago
10

Can someone please help me with this?

Mathematics
2 answers:
Fantom [35]3 years ago
7 0

Answer:

step 1: 100

step 2: is 100

Step 3: 5,600

Step-by-step explanation:

Luba_88 [7]3 years ago
7 0

Answer:

1. 100

2. 100

3. 5600

Step-by-step explanation:

<u>The steps are breaking down both of the numbers to simpler terms to more easily multiply them.</u>

<em>7 times 800 can be broken down to</em>

7 times 8 times 100<em> </em><em>(since 8 times 100 equals 800)</em>

<em>then it multiplies 7 and 8 only</em>

<em>so </em>

56 times 100

<em>then it multiplies it all</em>

56 times 100

5600

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what is te discontinuity of the function f(x) = the quantity of x squared plus 6x plus 8 all over x plus 4?
seropon [69]

Answer:

A hole at x=-4.

Step-by-step explanation:

This is a fraction so we have to worry about division by zero.

The only time we will be dividing by 0 is when x+4 is 0.

Solving the equation

x+4=0 for x:

Subtract 4 on both sides:

x=-4

So there is either a vertical asymptote or a hole at x=-4.

These are the kinds of discontinuities we can have for a rational function.

If there is a hole at x=-4, then x=-4 will make the top zero and can be cancelled out after simplification.

If is is a vertical asymptote, x=-4 will make the top NOT zero.

Let's see what -4 for x in x^2+6x+8 gives us:

(-4)^2+6(-4)+8

16+-24+8

-8+8

0

Top and bottom are 0 when x=-4.

Let's see what happens after simplication.

We are going to factor a^2+bx+c if factorable by finding two numbers that multiply to be c and add up to be b.

So what 2 numbers together multiply to be 8 and add up to be 6.

I hoped you said 4 and 2 because (4)(2)=8 where 4+2=6.

\frac{x^2+6x+8}{x+4}=\frac{(x+4)(x+2)}{x+4}=x+2

We we able to cancel out that factor that was giving us x=-4 is a zero.  

Therefore there is a hole at x=-4.

7 0
3 years ago
A curious accountant at a large firm would like to know if money can buy happiness. She selects a random sample of 30 of her wea
vova2212 [387]

Answer:

nn

Step-by-step explanation:

nn

6 0
3 years ago
QUESTION ON THE PICTURE
Helen [10]
Answer: 1 1/2
Explanation: the first number of the division problem stays the same but you flip the second fraction witch is 1/2 then that will be 2/1 then change the division symbol into a multiplication symbol and 3/4 times 2/1 and that equals6/4 and 6/4 is divisible by two so you divide 6/4 x 2. That equals 3/2 and you had to make that a mixed number so you divide two and 33 on the inside of the house and two on the outside. Two goes into threewants and when is your whole number and your remainder is one and one is your numerator and two is your denominator. You might understand it better if you see my work which a photo of it is down below.

3 0
3 years ago
A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 15
dexar [7]

Answer:

Width of rectangular piece = x = 8 inches

Step-by-step explanation:

Perimeter of rectangular piece = 62 inches

Let width of rectangular piece= x

and length of rectangular piece = x+15

We need to find width i.e value of x

The formula used for perimeter of rectangle is: Perimeter=2(Length+Width)\\

Putting values in formula and finding Width:

Perimeter=2(Length+Width)\\\\62=2(x+x+15)\\62=2(2x+15)\\62=4x+30\\62-30=4x\\4x=32\\x=\frac{32}{4}\\x=8

After solving we get value of x = 8

So, Width of rectangular piece = x = 8 inches

5 0
3 years ago
Maria made 143 for 11 hours of work. At the same rate, how much would she make for 7 hours of work?
navik [9.2K]

Answer:

She would make 91

Step-by-step explanation:

8 0
2 years ago
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