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3 years ago

If gas costs $3.95 per gallon at a local service station, how many cubic feet of gas can a customer buy with $50

Mathematics

1 answer:

emmasim [6.3K]3 years ago

8 0

Look at it this way

this is an easy division question

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Plz help fast. What is the value of x?

beks73 [17]

Answer is 7.b because of the angles

3 0

2 years ago

How can I find the exact distance between the points(√7,-√2)and (4√7,5√2)

chubhunter [2.5K]

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ \sqrt{7}}}\quad ,&{{ -\sqrt{2}}})\quad 
% (c,d)
&({{4\sqrt{7}}}\quad ,&{{ 5\sqrt{2}}})
\end{array}~~~
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
$

$\bf d=\sqrt{[4\sqrt{7}-\sqrt{7}]^2~+~[5\sqrt{2}-(-\sqrt{2})]^2}
\\\\\\
d=\sqrt{(4\sqrt{7}-\sqrt{7})^2~+~(5\sqrt{2}+\sqrt{2})^2}\implies d=\sqrt{(3\sqrt{7})^2~+~(6\sqrt{2})^2}
\\\\\\
d=\sqrt{3^2\cdot 7~~+~~6^2\cdot 2}\implies d=\sqrt{63+72}\implies d=\sqrt{135}
\\\\\\
\begin{cases}
135=5\cdot 3\cdot 3\cdot 3\\
\qquad 5\cdot 3^2\cdot 3\\
\qquad 15\cdot 3^2
\end{cases}\implies d=\sqrt{15\cdot 3^2}\implies d=3\sqrt{15}$

8 0

3 years ago

I am very confused plz help

prohojiy [21]

Answer:

a 26

b 8 2/3

Step-by-step explanation:

a) 4 1/3 * 6

Change the mixed number to an improper fraction

(3*4+1)/3 *6

13/3 *6

= 78/3

= 26

b) 2 3/5 * 3 1/3

Change the mixed numbers to improper fractions

(5*2+3)/5 * (3*3+1)/3

13/5 * 10/3

130/15

Top and bottom divide by 5

26/3

Change back to a mixed number

3 goes into 26 8 times (3*8 =24) with 2 left over

8 2/3

6 0

3 years ago

What is the complete factorization of x^2 - 6x + 9

Finger [1]

Answer:

$(x-3)^{2}$

Step-by-step explanation:

Factor using the perfect square rule.

4 0

3 years ago

Can the product of two numbers ever be less than either of the numbers

raketka [301]

Yes it can actually. If you take 1/2 and 1/2 for example, their product is 1/4.

4 0

3 years ago

Read 2 more answers