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3 years ago

−8 ≥ -5 ???????????????????????????

Mathematics

2 answers:

Inessa [10]3 years ago

8 0

-8>-5 ? Ok s if that’s the question. The answer it’s false

elixir [45]3 years ago

4 0

Answer:

If your asking if it’s true or false then it is false

Step-by-step explanation:

If you want to make it a true statement then it would be -8<-5

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In 2002, Tim was twice as old as Sue. In 1997 the sum of their ages was 32. In what year will Sue's age be three-fourths Tim's a

xxMikexx [17]

Answer:

Year 2030.

Step-by-step explanation

In 1997, Let Tim's age = X years

In 1997, Let Sue's age = Y years

After 5 years in 2002, Tim's age = (X+ 5) years

After 5 years in 2002, Sue's age = (Y + 5) years

Now, According to question,

X + Y = 32 (sum of their ages) .......(1)

Y = 32 - X

(X + 5) = 2 (Y + 5) .......(2)

Substituting the value of Y in (2)

X + 5 = 2 (32 - X + 5)

X + 5 = 2 (37 - X )

X + 5 = 74 - 2X

3X = 69

X = 69/3 = 23

Now ∵ Y = 32 - X and X = 23

∴ Y = 32 - 23 = 9

So, In 1997, Tim's age = 23 years and Sue's age = 9 years.

Let the year in which Sue's age will be three-fourth times of Tim's age be t.

Sue's age after t years = (9 + t) years.

Tim's age after t years = (23 + t) years

According to question,

$(9 + t) = \frac{3}{4} \times(23 + t)$

$4 (9 + t) = 3 (23 + t)$

$36 + 4t = 69 + 3t$

$4t - 3t = 69 - 36$

$t = 33$

The Year in which Sue's age will be three-fourth times of Tim's age is:

= (1997 + 33) = 2030.

4 0

4 years ago

Can someone please help me please?

san4es73 [151]

Answer:

Step-by-step explanation:

5 0

3 years ago

A right triangle has one angle that measures 25º. What is the measure of the other acute angle?

Leya [2.2K]

Answer:

Step-by-step explanation:

All the angles in a right triangle add up to 180

plug in what we know and we get

90+25+x=180

115+x=180

x=65

6 0

3 years ago

You are going to make three shelves for your father and have one piece of lumber 20 feet long. Your plan is to make the top shel

cupoosta [38]

Answer:

The top shelf is 5 feet, the middle shelf is 5.5 feet and the bottom shelf is 9.5 feet

Step-by-step explanation:

Let t= length of the top shelf, m = length of middle shelf and b = length of bottom shelf.

Therefore:

t = m - 1/2; m = t + 1/2

Also, b = 2t - 1/2

The total of the three shelves is 20 feet, therefore:

t + m + b = 20

Substituting:

t + t + 1/2 + 2t - 1/2 = 20

4t = 20

t = 20/4

t = 5 feet

m = t + 1/2 = 5 + 1/2 = 5.5 feet

b = 2t - 1/2 = 2(5) - 1/2 = 9.5 feet

The top shelf is 5 feet, the middle shelf is 5.5 feet and the bottom shelf is 9.5 feet

4 0

3 years ago

What is the equation,in point slope form,for a line that goes through (8,1) and has a slope of -5/6

Lilit [14]

Answer:

y - 1 = -5/6(x - 8)

Step-by-step explanation:

Point-slope form:

y - y1 - m(x - x1)

y - 1 = -5/6(x - 8)

5 0

3 years ago

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