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Ratling [72]
3 years ago
15

Evaluate. Write your answer as a fraction or whole number without exponents. 7^–4 =

Mathematics
2 answers:
andrew-mc [135]3 years ago
5 0

Answer:

The answer is 1/2401

Step-by-step explanation:

7^-4 can be written as 1/7⁴

And

1/7⁴ = 1/2401

Hope this helps

Agata [3.3K]3 years ago
4 0

Answer:

Step-by-step explanation:

7^{-4}=\frac{1}{7^{4}}\\\\

     = \frac{1}{2401}

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lyudmila [28]

Answer:

the answer is c=10 I just know it

6 0
3 years ago
The total area of a picture and its frame can be represented by ^l + 2f h^w + 2f h, where l and w represent the length and width
jok3333 [9.3K]

The answers to the question are

b. (l + 2f) (w + 2f)

c. f + 4, f + 6

d.  52.25

a. The diagram is an attachment.

<h3>B. How to solve for the binomial multiplication</h3>

The equation says

(l + 2f) (w + 2f)

We have the lengths of w and l as 8 and 12 respectively. Hence we have

(8 + 2f) (12 + 2f) as the area

c. (8 + 2f) (12 + 2f)

= 96 + 16f + 24f + 4f²

= 4f² + 40 f + 96

We have to factorize this using the quadratic equation calculator

f + 4, f + 6

= f = -4 and f = -6

d. If it is 1.25 thick we would have

1.25 x 2 = 2.5

12 - 2.5 = 9.5

8 - 2.5 = 5.5

Area = l * w

= 5.5 * 9.5

= 52.25

Read mire on binomial multiplication here:

brainly.com/question/20353197

#SPJ1

6 0
2 years ago
What two numbers multiply to get -2 and then add to get 3?
lana [24]
If you got options that will help 1×-2=-2 1+2=3
6 0
3 years ago
Write down all the subsets of {q,r,s}.
MrRissso [65]

{<em>q</em>, <em>r</em>, <em>s</em>} consists of 3 elements, so there are 2³ = 8 possible subsets.

• empty set: { }

• every possible singleton set: {<em>q</em>}, {<em>r</em>}, {<em>s</em>}

• every possible pair: {<em>q</em>, <em>r</em>}, {<em>q</em>, <em>s</em>}, {<em>r</em>, <em>s</em>}

• the set itself: {<em>q</em>, <em>r</em>, <em>s</em>}

3 0
3 years ago
1) While your family is visiting Deep Creek Lake, you and your brother decide to go boating. The
notsponge [240]

Answer:

Y=10x+25

Step-by-step explanation:

Hey so let’s take the number of hours we go boating as “x” and the TOTAL cost of this whole trip as “y”.

So obviously y would equal everything else so we can write

Y=

Next, it says we rent a canoe for $10 an hour. That means we would have to multiply 10 and x to find the cost of the rent.

So

Y=10x

Finally, it says we paid a registration fee of $25. This 25 is not affected by the number of hours or anything else. It is a fixed amount so we can represent it as

Y=10x+25

Hope this helps!

8 0
4 years ago
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