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3 years ago

4.

Mathematics

1 answer:

denis23 [38]3 years ago

6 0

The answer is none. There are no solutions

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Maggie’s brother is 3 years younger thank twice her age the sum of their ages is 24 how old is Maggie

Mariana [72]

Answer:et

m = the age of Maggie

b = the age of her brother

Maggie's brother is 3 years younger than twice her age:

b = 2m - 3

The sum of their ages is 24:

m + b = 24

by solving the system of equations:

b = 2m - 3

m + b = 24

we find

b = 15 years

m = 9 years

Step-by-step explanation:

4 0

3 years ago

PLS HELP. JUST IF YOU KNOW THO. THANK YOU. WORTH TEN POINTS.

Delvig [45]

Answer:

The total cost of the dried fruit.

Step-by-step explanation:

$2.50 is the cost of the dried fruit per pound.

2.5x means the total cost of the dried fruit ( x is the number of pounds of dried fruit and total cost = 2.5 times x in dollars).

7 0

3 years ago

Find the distance between (-3,-1) and (4, 2). (Round up to the nearest hundredths.)

yanalaym [24]

Answer:

The answer is

<h2>7.61 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-3,-1) and (4, 2).

The distance is

$d = \sqrt{ ({ - 3 - 4})^{2} + ({ - 1 - 2})^{2} } \\ = \sqrt{ ({ - 7})^{2} + ({ - 3 })^{2} } \\ = \sqrt{49 + 9} \\ = \sqrt{58} \\ = 7.615773$

We have the final answer as

<h3>7.61 units to the nearest hundredth</h3>

Hope this helps you

4 0

3 years ago

A rectangle with the vertices (3, -2), (3, -4), (7, -2), (7, -4) is reflected across the x-axis and the rotated 90 degrees count

irga5000 [103]

Answer:

The new vertices are: $(-2,3),(-4,3),(-2,7),(-4,7)$

Step-by-step explanation:

The given vertices are $(3,-2),(3,-4),(7,-2),(7,-4)$

Rule for reflection about x axis is $(x,y)$ → $(x,-y)$ .

So, $(3,-2)$ → $(3,2)$

$(3,-4)$ → $(3,4)$

$(7,-2)$ → $(7,2)$

$(7,-4)$ → $(7,4)$

Now, new vertices after reflection about x axis are $(3,2),(3,4),(7,2),(7,4)$ .

Rule for 90 degree rotation counter-clockwise is $(x,y)$ → $(-y,x)$ .

So, $(3,2)$ → $(-2,3)$

$(3,4)$ → $(-4,3)$

$(7,2)$ → $(-2,7)$

$(7,4)$ → $(-4,7)$

Therefore, the new rectangle after reflection about x axis and rotated 90 degrees counter-clockwise has the following vertices:

$(-2,3),(-4,3),(-2,7),(-4,7)$

4 0

3 years ago

What is the least common denominator of 3/12 and 3/8 rename each fraction in the pair.

Alona [7]

24. 8x3=24
12x2=24
It would be 6/24 (3/12) and 9/24 (3/8)

8 0

4 years ago

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