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tester [92]
2 years ago
8

What is the answer to 2.5d + 7.5 = 20

Mathematics
1 answer:
mina [271]2 years ago
3 0

Answer:

d=5 mark brainliest if satisfied

Step-by-step explanation:

Subtract 7.5 from both sides

2.5d=12.5

d=5

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What is 19±2+1+2+4+2-10
kaheart [24]
First we will do the plus sign for 2.
19 + 2 + 1 + 4 + 2 - 10

Add then subtract.

19 + 2 + 1 + 4 + 2 = 28

28 - 10 = 18.

Now we will do the negative sign for 2.

19 - 2 + 1 + 2 + 4 + 2 - 10

19 + 1 + 2 + 4 + 2 = 28

28 - 2 = 26 - 10 = 16.

Answer is 16 and 18.
5 0
3 years ago
Read 2 more answers
The perimeter of a rectangle is 63cm. The length is 4cm more than its width. Find the dimensions of the rectangle
amm1812

O=63cm

a=b+4

O=2a+2b

O=2(b+4)+2b

O=2b+8+2b

63=4b+8

4b=63-8

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a=13.75+4=17.75

6 0
3 years ago
T=mv^2/L<br><br> Write an equation that shows the given formula solved for V
Effectus [21]

Answer:

<u>v = √(LT/m)</u>

Step-by-step explanation:

Given :

  • T = mv²/L

Multiply both sides with L :

  • T × L = mv²/L x L
  • LT = mv²

Divide both sides by m :

  • LT × 1/m = mv² × 1/m
  • LT/m = v²

Take the square root on each side :

  • √v² = √(LT/m)
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3 0
2 years ago
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Identify the transformation performed on the figure below
pickupchik [31]

A) Translation

hope this helps!

5 0
2 years ago
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The 10 students who completed a special flying course are waiting to see if they will be awarded the one Distinction or the one
yaroslaw [1]

Answer: 1)100ways and 2)90ways


Step-by-step explanation:

Given :-The 10 students who completed a special flying course are waiting to see if they will be awarded the one Distinction or the one Merit award for their efforts.

Ways can the two awards be given if the same student can receive both awards (i.e repetition is allowed)

=10×10=100ways

Ways can the two awards be given if the same student cannot receive both awards(i.e. repetition is not allowed)

=10×9=90ways

3 0
3 years ago
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