3 years ago

I will give Brainiest if you are right

Mathematics

1 answer:

Tpy6a [65]3 years ago

8 0

Answer:

d) $7.82

Step-by-step explanation:

just multiply the 2 numbers

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If Sarah is 24 years younger than her mother and if the sum of their ages is 68, how old is Sarah?

pav-90 [236]

24 + x = 68 so 68-24=x.
68-24=44
Sarah's mother is 44

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3 years ago

Read 2 more answers

2/5÷1 7/8<br>what's the answer

STALIN [3.7K]

Decimal form▪︎0.75

Fraction form▪︎3/4

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3 years ago

mikayla bought five skirts at $x each three of the five skirts came with a matching top for an adshenal $9 each write and simplf

kiruha [24]

Answer:

5x + 27

Step-by-step explanation:

This is because the 5 shirts for x dollars = 5x.

Then 3 shirts cost 9 dollars = 27.

So, the answer is 5x + 27

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3 years ago

Write the equation of the line parallel to 4x-5y=2 and passing through point (0,0)

kotykmax [81]

$k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2$

We have:

$4x-5y=2\ \ \ \ |-4x\\\\-5y=-4x+2\ \ \ \ |:(-5)\\\\y=\dfrac{4}{5}x-\dfrac{2}{5}\to m_1=\dfrac{4}{5}\\\\l:y=m_2x+b\\\\k\ \prep\ l\Rightarrow\dfrac{4}{5}m_2=-1\ \ \ \ |\cdot\dfrac{5}{4}\\\\m_2=-\dfrac{5}{4}$

$l:y=-\dfrac{5}{4}x+b$

The line l is passing through point (0, 0). Substitute the coordinates of the point to the equation of a line l:

$0=-\dfrac{5}{4}\cdot0+b\to b=0$

$y=-\dfrac{5}{4}x\ \ \ \ |\cdot4\\\\4y=-5x\ \ \ \ |+5x\\\\5x+4y=0$

<h2>Answer: 5x + 4y = 0</h2>

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3 years ago

A triangle can be congruent to a square.

Bas_tet [7]

No... congruent means they are exactly the same, just rotatet or dislocated

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3 years ago