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Alina [70]
2 years ago
7

Calculate: (4/5)^7 (5/4)^7

Mathematics
2 answers:
omeli [17]2 years ago
8 0
49. The fractions cancel each other out. So 7x7=49
DaniilM [7]2 years ago
4 0

Answer:

would come out as a very weird answer

Step-by-step explanation:

(4/5)^7(5/4)^7

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In the diagram shown, AE 1/3AC and ED ll CB. Explain why df must be one-fourth length of CD
Blizzard [7]

The value of the length DF is 1/4 of that of CD because of the Angle Bisector Theorem for triangles.

<h3>What is the Angle Bisector Theorem?</h3>

The Angel Bisector Theorem states that if a ray bisects an angle of a triangle, it dissects the side of the triangle that is opposite to the dissected angle into parts that are proportionate to the adjacent sides.

Note that the angle that has been dissected here is ∠CBD. Thus,

\frac{DF}{CF} = \frac{BD}{BC}

See the link below for more about Angle Bisector Theorem of the Triangle:

brainly.com/question/21475560

8 0
2 years ago
PLEASE SHOW WORK ILL GIVE BRAINLIEST DUE TODAY!!!
murzikaleks [220]

Answer:

1. 169     2. 163      3. 54       4. 221      5. 6         6. 7         7. 11        8. 9

Step-by-step explanation:

Remember the Order of Operations:

Parentheses

Exponents

Multiplication

Division

Addition

Subtract

*But always solve from left to right so there can be times where you either have to do division before multiplication or subtraction before addition

1. 14 + <u>18 ÷ 2 </u>x 18 – 7

14+<u>9 x 18</u>-7

<u>14+162</u>-7

176-7

169

2. <u>15 x 10</u> + 12 ÷ 3 + 9

150+<u>12÷3</u>+9

<u>150+4</u>+9

154+9

163

3. <u>8 x 4</u> + 9 – 9 + 18

<u>36+9</u>-9+18

<u>45-9</u>+18

36+18

54

4. 2 - 1 +<u> 5 x 4 </u>x 11

2-1+<u>20x1</u>1

<u>2-1</u>+220

1+220

221

5. 60 – <u>9 x 8</u> ÷ 8 x 6

60-<u>72÷ 8</u> x 6

60-<u>9x6</u>

60-54

6

6. <u>(10 ÷ 5)</u>3 + 100 – 9 x 11

<u>(2)3</u>+100-9x11

6+100-<u>9x11</u>

<u>6+100</u>-99

106-99

7

7. <u>3 x 8</u> x 2 – 42 + 5

<u>24x2</u>-42+5

<u>48-42</u>+5

6+5

11

8. <u>14 ÷ 2</u> -1 + 3

<u>7-1</u>+3

6+3

9

6 0
3 years ago
Amount of Fuel. A car uses 20 gallons of gasoline for a trip of 500 miles. How many gallons would be used on a trip of 400 miles
jasenka [17]

Answer:

16 gallons

Step-by-step explanation:

divide

4 0
2 years ago
Amanda simplifies the following expression and shows her work below. What mistake did Amanda make that resulted in an incorrect
den301095 [7]

Answer:

A, She added before multiplying.

Step-by-step explanation:

First, start off by using GEMDAS.

Grouping

Exponents

Multiply

Divide

Add

Subtract

You work from left to right - so you obviously divide first, which Amanda did successfully. Then, you multiply, which is exactly where Amanda went wrong. She was supposed to multiply before adding the 3 with 4.

Not sure if this made sense,

8 0
2 years ago
Please help solve for PQ.
DerKrebs [107]
This problem cannot be solved unless we are given figure NPQR is a rhombus.
In that case, then all sides are equal, meaning 
5x+16=9x-32
Solve for x
9x-5x=16+32
4x=48
x=12

Each side (including PQ) then equals 5x+16=5*12+16=76
8 0
3 years ago
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