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Savatey [412]
2 years ago
14

At Rosedale Middle School, 11.25% of the

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
8 0

Answer:

162

Step-by-step explanation:

You might be interested in
Additive inverse of −2, additive identity of −5, additive inverse of 3, multiplicative identity of 19, and multiplicative invers
monitta

Answer:

See Explanation

Step-by-step explanation:

a) Additive inverse of −2

  • the additive inverse of a number a is the number that, when added to 'a', yields zero. This number is also known as the opposite (number), sign change, and negation.
  • So the Additive inverse of -2 is 2. ∴ -2+2=0

b) Additive identity of −5

  • Additive identity is the value when added to a number, results in the original number. When we add 0 to any real number, we get the same real number.
  • -5 + 0 = -5. Therefore, 0 is the additive identity of any real number.

c) additive inverse of 3

  • Two numbers are additive inverses if they add to give a sum of zero. 3 and -3 are additive inverses since 3 + (-3) = 0. -3 is the additive inverse of 3.

d). multiplicative identity of 19

  • an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied
  • Multiplicative identity if 19 is 1 only, since 19 x 1 = 19.

e) multiplicative inverse of 7

  • Dividing by a number is equivalent to multiplying by the reciprocal of the number. Thus, 7 ÷7=7 × 1⁄7 =1. Here, 1⁄7 is called the multiplicative inverse of 7.

d)  | 11-5|×|1-5|

  • | 11-5|×|1-5| ⇒ I6I×I-4I ⇒ 6×4 ⇒ 24

8 0
3 years ago
Help me!<br><br> Solve the equation.<br><br> −2/3x+3/7=1/2
alexira [117]
-2/3x+3/7=0.5
-2/3x+3/7=5/10
-2/3x+3/7=1/2
-42 x 2x +6 x 3=21
-28x+18=21
-28x=21-18
-28x=3
x=-3/28
5 0
3 years ago
The diagram shows a square-based cuboid 10cm and 4cm work out the volume of the cuboid
aleksandr82 [10.1K]

Answer:

40cm^3

Step-by-step explanation:

volume of a cuboid formula: L*W*H

l=length

w=width

h=height

since ;length and width are already multiplied and given to us as 10, we can multiply 10 with 4 to get volume

10*4=40

40cm^3

hope this helps!

4 0
3 years ago
What is -4(7+10)-2v+4v
mylen [45]
2v=-68 I believe is the answer
5 0
3 years ago
Read 2 more answers
PLEASE HELP, solve for X
Anna [14]

Answer:

27

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(48+x) * 48 = 60^2

(48+x)48=3600

Divide each side by 48

48+x =75

Subtract 48

48+x-48 = 75-48

x =27

4 0
2 years ago
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