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natta225 [31]
3 years ago
5

Please help. Algebra.

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0

Answer:

?=3

Step-by-step explanation:

Okay so with exponents, when multiplying exponents with the same base, you add them.

In your case, we have a^? * a^4=a^7 (this is the only part you need to solve)

so ?+4=7

?=7-4=3

Have a nice day!

Katarina [22]3 years ago
4 0

Answer:

"?" = 3

Step-by-step explanation:

The answer can be gotten by subtracting 4 from 7. The 4 is the exponent in (4a^4b), and the 7 is the exponent in 16a^7b. So:

7 - 4 = 3

Therefore, the "?" = 3

Hope this helps :)

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professor190 [17]

15 * 28 = 420. Should be your answer.

3 0
3 years ago
Question in pic. please answer!
Aleksandr [31]

Answer:

The angles from largest to smallest are:

∠A

∠B

∠C

Step-by-step explanation:

We can see in the diagram that

AB = 7

AC = 8

BC = 9

The angles opposite to sides are as follows:

∠A is opposite to BC

∠B is opposite to AC

∠C is opposite to AB

The angle opposite to the largest side of the triangle is the largest and the angle opposite to smallest side of the triangle is the smallest in measurement

Arranging the sides from largest to smallest:

BC, AC, AB

Similarly the angles opposite them will be arranged according to them

∠A, ∠B, ∠C

Hence,

The angles from largest to smallest are:

∠A

∠B

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8 0
3 years ago
How many 3 digit numbers can you make using these numbers: 4,2,9 (numbers can be reapeated)
bogdanovich [222]

Answer:

You can make 27 different 3 digit numbers

Step-by-step explanation:

Since we can use 3 different numbers this means that each of the 3 digits can be one of the 3 numbers (4,2,9). This means that there are 3 different values for the first digit, 3 different values for the second digit, and 3 different values for the third digit, which mean that we can make 3 x 3 x 3 different 3 digit numbers (we took the number of possible values for each digit and multiplied them together.

3 x 3 x 3 = 27

8 0
3 years ago
Can someone please express 105/20 as a mixed number in simplist form
storchak [24]
Just divide 105 by 20

this gives you 5 5/20

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answer: 5 1/4
7 0
3 years ago
Please help
Firdavs [7]

Answer:

y = -x -3

Step-by-step explanation:

I went to Desmos and kept guessing y intercepts until the line passed through the point (-4, 1). Sorry I can't explain the real way to figure this out.

5 0
2 years ago
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