2 years ago

I need help

Mathematics

1 answer:

damaskus [11]2 years ago

6 0

Answer:

Step-by-step explanation:

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Can someone please help me figure out how to solve for x?

Anna007 [38]

Answer:

$x=30$

Step-by-step explanation:

Both triangles in this figure are similar. Therefore, we can set up the following proportion:

$\frac{21}{x}=\frac{14}{20}$ .

Cross-multiply to solve:

$14x=21\cdot 20,\\x=\frac{21\cdot20}{14},\\x=\fbox{$30$}$ .

8 0

2 years ago

Someone please help me??

lapo4ka [179]

The standard equation of a circle with centre (xc,yc) and radius R is given by

$(x-x_c)^2+(y-y_c)^2=R^2$

Substituting
centre (xc,yc) = (4,-3)
R=2.5

The equation is therefore

$(x-x_c)^2+(y-y_c)^2=R^2$
$(x-4)^2+(y-(-3))^2=2.5^2$
$(x-4)^2+(y+3)^2=2.5^2$ or
(x-4)^2+(y+3)^2=6.25

7 0

2 years ago

How many three digit numbers greater than 540 can be formed using the digits<br> 0,2,4,5,6,8 ?

shtirl [24]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

0.336 divided by 0.2

Lilit [14]

1.68 I hope it helps!

7 0

3 years ago

Sally bought 124 sheets of stickers. Each sheet had 14 stickers. She gave away 204 stickers to her family and friends on Christm

frez [133]

Answer:

Sally has 1,532 stickers remaining.

Step-by-step explanation:

First, you have to determine the total amount of stickers Sally bought by multiplying the number of sheets she bought for the number of stickers in each sheet:

124*14=1,736

Now, you have to subtract the number of stickers Sally gave away to her family and friends from the total amount of stickers she bought:

1,736-204=1,532

According to this, the answer is that Sally has 1,532 stickers remaining.

6 0

2 years ago