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3 years ago

Rachel drives 33 miles eats and then drives 56 miles north. How far is she from starting point ?

Mathematics

1 answer:

Elena L [17]3 years ago

8 0

Answer:

89 miles away from her starting point. :) hope this helps

Step-by-step explanation:

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Please you guys should help me answer this it's timed

viva [34]

Answer:

im pretty sure it is a. (2,-3)

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3 years ago

Use the number line to find 1/4+-21/8

skad [1K]

Answer:

(Decimal: -2.375) = -19/8

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3 years ago

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Hannah has $3.10 in her piggy bank in nickels and quarters. If there are 22 coins in her piggy bank, how many are nickels and ho

PIT_PIT [208]

Answer:

$12\ nickel$

$10\ quarter$

Step-by-step explanation:

we know that

$1\ nickel=\$0.05$

$1\ quarter=\$0.25$

Let

x------> the number of nickel coins

y-----> the number of quarter coins

we know that

$x+y=22$

$x=22-y$ -----> equation A

$0.05x+0.25y=3.10$ ----> multiply by 100 both sides

$5x+25y=310$ -----> equation B

Substitute equation A in equation B and solve for y

$5(22-y)+25y=310$

$110y-5y+25y=310$

$20y=310-110$

$20y=200$

$y=10\ quarter$

$x=22-y$ ------> $x=22-10=12\ nickel$

7 0

3 years ago

Can someone please answer this!

Aleksandr [31]

Answer:
3x[2] + 5x +2
^
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4 years ago

Stiind ca triunghiurile sunt asemenea si c= 5 calculati lungimea laturilor indicate

slava [35]

Answer:

$a=8\\b=10\\c=5$

Step-by-step explanation:

In the given image, you can observe we have two right triangles.

Also, we know by given that those triangles are similar, which means their sides are proportional and their angles are congruent.

If the triangles are similar, we can define the following proportion between sides.

$\frac{4}{a} =\frac{3}{6}\\ 24=3a\\a=\frac{24}{3}\\ a=8$

Now we use the Pythagorean's Theorem to find each hypothenuse.

$c^{2} =4^{2} +3^{2}\\ c=\sqrt{16+9}=\sqrt{25} \\ c=5$

$b^{2} =8^{2} +6^{2}\\ b=\sqrt{64+36}=\sqrt{100}\\ b=10$

Therefore, the missing sides are

$a=8\\b=10\\c=5$

8 0

3 years ago

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