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Tom [10]
3 years ago
14

Use the distributive property to simplify this expression (2-5m) (-5)

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

-10+25m

Step-by-step explanation:

Is that good enough for yah?

Mice21 [21]3 years ago
4 0

25m - 10

Multiply -5 by each term inside the first parentheses.

(-5 * 2) + (-5 * -5m)

-10 + 25m

Moves the terms around.

25m - 10

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A castle has to be guarded 24 hours a day five knights are ordered to split each day's guard duty equally how long will each kni
disa [49]

Answer:

Each knight will 4.8 hrs spend on guard in one day

Step-by-step explanation:

A castle has to be guarded 24 hours a day 5 knights are ordered to split each day's guard duty equally

Each knights has to guard equally l.e for equal time .

That means 24 hours time has to be equally divided among the 5 knights

= 24 / 5 = 4.8

Each knight will spend on guard in one day = 4.8 hrs

4 0
3 years ago
X 4) Find the product of 4 x 2 3/4. 18 3/4 O 7 1/2 11 O 14​
Vadim26 [7]

9514 1404 393

Answer:

  11

Step-by-step explanation:

  4 × (2 3/4) = 4×2 + 4×(3/4) = 8 + 3 = 11

or

  4 × (2 3/4) = 4 × 11/4 = 11

5 0
3 years ago
Verify:<br>cos(2A)=(cotA-tanA)/cscAsecA​
kolbaska11 [484]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identities

cot A = \frac{cosA}{sinA}, tanA = \frac{sinA}{cosA}, cscA  = \frac{1}{sinA}, secA = \frac{1}{cosA}

Consider the right side

\frac{cotA-tanA}{cscAsecA}

= \frac{\frac{cosA}{sinA}-\frac{sinA}{cosA}  }{\frac{1}{sinA}.\frac{1}{cosA}  }

= \frac{\frac{cos^2A-sin^2A}{sinAcosA} }{\frac{1}{sinAcosA} }

= \frac{cos^2A-sin^2A}{sinAcosA} × sinAcosA ( cancel sinAcosA )

= cos²A - sin²A

= cos2A

= left side ⇒ verified

5 0
3 years ago
Need help ASAP!!!!!!!!!!!!!!!!!
rosijanka [135]

Answer:

A 97

Step-by-step explanation:

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8 0
2 years ago
What is -3 1/3 = -1/2g
Firdavs [7]

Answer:

g = 62/3 or

g  = 20 \frac{2}{3}

Step-by-step explanation:

-  \frac{31}{3}  =  -  \frac{1}{2} g \\  -  \frac{31}{3}  \times ( - 2) = g \\  \frac{62}{3}  = g \\ g =  \frac{62}{3}  \\ g = 20 \frac{2}{3}

8 0
4 years ago
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