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Otrada [13]
3 years ago
14

Brad says that if a second number is 125% of the first number, then the first number must be 75% of the second number. Is he cor

rect?
Mathematics
1 answer:
olga55 [171]3 years ago
8 0

Answer: He is not correct.

Steps:

Let x1 and x2 be the first and second number, respectively.

x_2 = \frac{5}{4}x_1\\\frac{4}{5}x_2 =x_1

In words, if the second is 125%, or 5/4 of the first number (first equation),

then the first is 4/5 of the second, which is 0.8 or 80%.

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3 thirtieth simplified to
Sedbober [7]
1/10. You can do this by dividing both numbers by three. Hope this helped!
5 0
4 years ago
What is the weight of 2 apples? *<br> .12<br> .24<br> 16.67<br> 8.33
Crazy boy [7]

Answer:

0.24

Step-by-step explanation:

Have a wonderful day <3

4 0
3 years ago
Geometry test please help. <br> 3). Find x <br> 4). find m 5). Find m &lt; y <br> 6.) Find m
Mrac [35]

Answer:

x = 30

m<Y = 60

m<Z = 60

m<X = 60

Step-by-step explanation:

All of this should add up to 180 so...

2x + 2x + 3x - 30 = 180 (collect like terms)

7x - 30 = 180 (add 30 on both sides)

7x = 210 (divide by 7 on both sides)

x = 30

PLUG IN

2(30) = 60

3(30) - 30

90 - 30 = 60

m<Y = 60

m<Z = 60

m<X = 60

equilateral triangle

Hope this helps ya! Keep smiling!

7 0
3 years ago
Find the area of the trapezoid with a base of 19 inches, height 12.6 inches and base 29.2 inches
kati45 [8]
A trapezoid is a quadrilateral with two parallel sides of different lengths. This means that any of the two sides can be called a base, and that the trapezoid is unique because it has two bases.
 the formula for finding the area of a trapezoid is
 [(b1 + b2) x h] / 2
 Substituting the values:
 ((19 + 29.2) * (12.6)) / 2
 303.66 in ^ 2
 Answer: 
 the area of the trapezoid is: 
 303.66 in ^ 2
6 0
3 years ago
Write an equation for a line parallel to y=-2x-1 that passes through (2,-7)
vovikov84 [41]

Answer:

The equation is;

y = -2x - 3

Step-by-step explanation:

If two lines are parallel, then they have an equal value of slope

Mathematically we can generally have the equation of a line written as;

y = mx + c

where m

is slope and c is the y-intercept

In the case of the equation given, the slope of the line is -2

So technically, we want to get the equation of a line that has a slope of -2 and it passes through (2,-7)

The point-slope form can be written as;

y-y1 = m(x-x1)

So the equation we want to get is;

y-(-7) = -2(x-2)

y + 7 = -2x + 4

y = -2x + 4 - 7

y = -2x - 3

5 0
3 years ago
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