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vitfil [10]
3 years ago
11

How am I as a person and a learner of mathematics and science changing my awareness of who mathematicians and scientists are and

what they do?
Mathematics
1 answer:
adelina 88 [10]3 years ago
8 0

Answer:

to start of in math you use stuff like numbers and equations although you can use equations in science in science you use different types of technology for that.

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What is x given ABC~DBE.<br> Show your work
alexandr1967 [171]

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E

AC = 50, DE = 30, EC = 25, BE = x, BC = 25 + x

To find the value of x:

Property of similar triangles:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{BE}{BC} =\frac{DE}{AC}

$\frac{x}{25+x} =\frac{30}{50}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

5 0
4 years ago
The width of a rectangle is 7t-4.5 feet and the length is 4.5t+9 feet. Find the perimeter of the
Ray Of Light [21]

Answer:

P=2L+2w

P=2(4.5t+9)+2(7t-4.5)

P=9t+18+14t-9

P=23t+9 feet

6 0
3 years ago
Identify the slope and y-intercept of: y= 1/2x - 6
kkurt [141]

Answer:

Slope: 1/2

Y-intercept: -6

7 0
3 years ago
Read 2 more answers
A group of students organized a car wash to raise money for a local charity. The students charged $8.00 for each car they washed
3241004551 [841]

Answer:

$320

Step-by-step explanation:

First, we can find how many cars they washed.

At 8 hours, they washed 32 cars, and since you still have two hours worth of cars to find, you can divide 16 by 2, and you get 8.

So in total, they washed 40 cars.

Now, you can multiply 40 by $8.00, and you get $320.

3 0
3 years ago
Read 2 more answers
Each of the ten letters in ``MATHCOUNTS'' is written on its own square tile and placed in a bag. What is the probability that a
PIT_PIT [208]
step  1

First, see how many letters in MATHCOUNTS are also in TEACH.

M no

A  yes

T  yes

H yes

C yes

O  no

U no

N no

T  yes

S  no

 That is 5 out of the 10 letters.

so

<span>the probability=</span>5/10-------> 1/2 
<span>
the answer is
1/2
</span>

4 0
3 years ago
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