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Harrizon [31]
2 years ago
14

WILL GIVE BRAINLIEST

Mathematics
2 answers:
nadya68 [22]2 years ago
8 0

Answer: 2^{10}

They give you the answer in the question. Multiply 2^{3} and 2^{7}.

When multiplying exponents we add them.

Pani-rosa [81]2 years ago
7 0

Answer:

2¹⁰

Step-by-step explanation:

when the bAse the <em><u>same</u></em>

then,

we take them common and <em><u>add</u></em> their exponents.

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If x -1/7,evaluate x²+1/x²​
SCORPION-xisa [38]

Answer:

given \: x =  -  \frac{1}{7}

x {}^{2}  +  \frac{1}{x {}^{2} }

(  - \frac{1}{7} ) {}^{2}  +  \frac{1}{  (  - \frac{1}{7} ) {}^{2} }

\frac{1}{49}  +  \frac{1}{ \frac{1}{49} }

\frac{1}{49}  +  \frac{1 \times 49}{1}

\frac{1}{49}  + 49

\frac{2402}{49}  \: or \: 49.02

6 0
3 years ago
What do u add to 5 4/7 to get 7
enot [183]

Answer:

10/7

Step-by-step explanation:

5 4/7=39/7

x+39/7=7

x=7-39/7

x=49/7-39/7

x=10/7

6 0
3 years ago
Read 2 more answers
Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation
Olenka [21]

Answer:

y = \frac{49}{3}

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 7 when x = 3

k = \frac{y}{x} = \frac{7}{3}, thus

y = \frac{7}{3} x ← equation of variation

When x = 7, then

y = \frac{7}{3} × 7 = \frac{49}{3}

8 0
3 years ago
stu is buying a $35 tool. The store reduces the price by 5% and then applies an $8 off coupon. How much will Stu pay for the too
timama [110]
Stu will pay $25.25 for the tool

Hope this helps!
5 0
3 years ago
Read 2 more answers
The area of the circle is 144π m2<br><br> What is the diameter of the circle?
Over [174]

Answer:

Step-by-step explanation:

Remember that

Area of Circle = \pi r^2

\pi  = pi \\r = radius

They told us that for this circle, the area is 144\pi  m^2

If you put it back into the formula for area of a circle we get:

Area of Circle = \pi r^2

144\pi = \pi r^2

Divide both sides by \pi.

144 = r^2

Now we want to solve for r (r = radius).

You need to square root each side

\sqrt{144} = \sqrt{r^2}

12 = r

So now we know the radius, r = 12 metres

Also remember that

Diameter = 2r

So,

Diameter = 2 times 12 = 24 metres

5 0
3 years ago
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