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umka2103 [35]
3 years ago
12

Simplify -5 ¼ - (-7 ½)

Mathematics
1 answer:
Ann [662]3 years ago
7 0

Answer:

2 1/4

Step-by-step explanation:

-5 1/4- (-7 1/2)

to minus cancel each other out so it becomes a plus

-5 1/4 + 7 1/2

common dinomanater

-5 1/4 + 7 2/4

2 1/4

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The digit 6 in the hundred place represent the value
miskamm [114]
The answer is 600 because it is in the hundred and the hundred is the first number
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3 years ago
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PLEASE ANSWER QUICK! A police officer is estimating the distance from one side of a street to the other. The actual distance is
klemol [59]

Answer:

The absolute error is 0.2

The percent error is 1.45

Step-by-step explanation:

Please kindly check the attached for explanation

6 0
3 years ago
Which is bigger? 1/3 foot or 5 inches? It can also be equal.
zhannawk [14.2K]

5 inches is bigger than 1/3 foot OR 1/3 foot is lesser than 5 inches. That is, 1/3 foot < 5 inches

4 miles is bigger than 7000 yards. That is, 4 miles > 7000 yards

8 yards is equal to 24 feet. That is, 8 yards = 24 feet

<h3>Calculating the value of a quantity </h3>

From the question, we are to determine which of the given quantities are bigger or equal

  • 1/3 foot or 5 inches

NOTE: 1 foot = 12 inches

If 1 foot = 12 inches

Then,

1/3 foot = 1/3 × 12

1/3 foot = 4 inches

∴ 5 inches is bigger than 1/3 foot. That is, 1/3 foot < 5 inches

  • 4 miles or 7,000 yards.

NOTE: 1 mile = 1760 yards

If 1 mile = 1760 yards

Then,

4 miles = 4 ×1760 yards

4 miles = 7040 yards

Hence, 4 miles is bigger than 7000 yards. That is, 4 miles > 7000 yards  

  • 8 yards or 24 feet

NOTE: 1 yard = 3 feet

If 1 yard = 3 feet

Then,

8 yards = 8 × 3 feet

8 yards = 24 feet

Hence, 8 yards is equal to 24 feet. That is, 8 yards = 24 feet

Learn more on Calculating the values of quantities here: brainly.com/question/400890

#SPJ1

5 0
2 years ago
Please help me with this question
saul85 [17]
Given: 
ML = 2.3
Angle L = 70 degrees

What we want to find:
MN = x

Use the sine rule
Make sure your calculator is in degree mode

sin(angle) = opposite/hypotenuse
sin(70) = x/2.3
2.3*sin(70) = x
x = 2.3*sin(70)
x = 2.16129302780759
x = 2.2

-------------------------------
Answer: 2.2

7 0
3 years ago
(03.06 MC)The volume of two spheres is shown: Sphere A = 40 cubic inches Sphere B = 10 cubic inches How many inches more is the
dem82 [27]

0.8 inches

the volume (V) of a sphere is calculated using the formula

V = \frac{4}{3}πr³

change the subject and express in terms of r

multiply both sides by 3

3V = 4πr³ ( divide both sides by 4π )

r³ = 3V / 4π ( take the cube root of both sides )

r = ∛( 3V /4π )

sphere A with V= 40

r = ∛ (120 / 12.56 ) = 2.122

sphere B with V = 10

r = ∛(30 / 12.56 ) = 1.337

sphere A - sphere B = 2.122 - 1.337 = 0.8 inches ( to nearest tenth )



6 0
3 years ago
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