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Anarel [89]
3 years ago
13

Helllllllllpppppop meeeee

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0
"a" and integer is a whole number not a fraction or a decimal
djyliett [7]3 years ago
3 0
A Is an integer. An integer will always be a whole number. Infinity will never be an integer because although it can be considered a whole number, it is simply a concept.
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Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in. To the nearest tenth of a percent, wha
Vinil7 [7]

Answer  

Find out the  percent error in Annie's estimate .

To prove

Formula

Percentage\ error = \frac{error\times 100}{exact\ value}

As  error = approx value -  exact value

As given

Annie estimates that the height of a bookcase is 78.25 in.

The actual height is 75.50 in.

approx value = 78.25 in.

actual value = 75.50 in.

error = 78 .25 - 75 .50

        = 2.75

put in the formula

Percentage\ error = \frac{2.75\times 100}{75.50}

Percentage\ error = \frac{27500}{7550}

Percentage error = 3.64 % (approx)

Therefore the Percentage error be 3.64 % (approx).

6 0
3 years ago
Read 2 more answers
What value of b will cause the system to have an infinite
kvasek [131]

Hi there!

The way that an infinite number of solutions is achieved is when the two equations, when solved together, get an answer which is just a number equal to the same number. To do this, first substitute 6x-b in for y in the second equation.

-3x+\frac{1}{2}(6x-b)=-3

-3x+3x-\frac{1}{2}b=-3

-\frac{1}{2}b=-3

Now, we see that b needs to be equal to -3 when multiplied by -1/2. When both sides are divided by -1/2, b becomes equal to 6. Thus, b must be 6.

Check work:

6x-6=y

-3x+\frac{1}{2}(6x-6)=-3

-3x+3x-3=-3

-3=-3

Thus, as they are equal to each other, the answer is correct. b = 6.

Hope this helps!

8 0
3 years ago
A catering company charges $300 plus $40 per guest for a wedding. Sarah and Eric do not want to spend more than $5,000 on cateri
Nezavi [6.7K]
40g+300 is less than or equal to 5000
g is less than or equal to 117.5
So that is 117 guests max can be invited

8 0
3 years ago
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For each pair of functions F and G below, find f(g(x)) and g(f(x)).
8090 [49]

Answer:

FG

Step-by-step explanation:

COOL AIDS BRO FAX AND MORE STUFF

8 0
2 years ago
If each side of a regular pentagon equals 4 feet what is the perimeter
coldgirl [10]
In a regular polygon, all of the sides have the same length.

Pentagons have five sides. If one of the sides in a regular pentagon is 4 feet, then the rest will also be four feet. 5 sides that are all 4 feet long totals up to a 20-foot perimeter.
4 0
3 years ago
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