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Natali [406]
3 years ago
5

Someone that knows geometry I’m stressed because I don’t know

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0

Answer:

14.5

Step-by-step explanation:

2m+6=35

2m=29

m=14.5

lyudmila [28]3 years ago
7 0

Answer:

14.5

Step-by-step explanation:

\dfrac{2}{7}=\dfrac{5}{m+3}

Multiply both sides by 7:

2=\dfrac{35}{m+3}

Multiply both sides by m+3:

2(m+3)=35

Simplify:

2m+6=35

2m=29

m=14.5

Hope this helps!

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What is the place value of 8 in 9.258
Archy [21]

Answer:

8 thousandths

Step-by-step explanation:

in decimals there are no ones tens hundreds etc. but there are tenths which is the 2. hundredths which is 5 and thousandths which is 8

Hope this helps!

5 0
3 years ago
Read 2 more answers
All of the items in a bicycle shop are on sale for 30% off the regular price. Rene spends $74. 90 to buy a bicycle and a helmet
Aleks04 [339]

Percentage is a way to describe a part of a whole. The equation can be used to find the regular price of the helmet,h is 0.7(h+85)=74.90.

<h3>What is Percentage?</h3>

A percentage is a way to describe a part of a whole. such as the fraction 1/4 can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

As we know that all of the items in the bicycle shop are on sale for 30% off, therefore, the cost of each item will be 70% of the real cost. Now, the total amount was spent is $74.90. Thus, if we represent the helmet by h, and bicycle by b, then

70\%Helmet + 70\%Bicycle = \$74.90\\\\0.70 h + 0.70B = 74.90

Taking 0.7 as the common,

0.7(h+B)=74.90

As we know that the regular price of the bicycle(B) is $85, therefore, the equation can be written as,

0.7(h+85)=74.90

Hence, the equation can be used to find the regular price of the helmet,h is 0.7(h+85)=74.90.

Learn more about Percentage:

brainly.com/question/6972121

8 0
3 years ago
HOLP HALP HOLP HALP HOLP
lilavasa [31]
Answer = D hope this helps :))
4 0
3 years ago
There are 1073 students at Raine High School. 26 percent do not identify as male or female, 42 percent identify as female, and 3
irinina [24]
Don’t Identify- 278.98
Female- 450.66
Male- 343.36

Considering these are people, you probably will need to round either up or down. If you round it would be:

Don’t Identify- 279
Female- 451
Male- 343
3 0
3 years ago
The product of (3 + 2i) and a complex number is (17 + 7i).
Vesna [10]
A+bi is a complex number

(3+2i)(a+bi)=17+7i
remember
i²=-1
so
expand and solve
a is the ral part
bi is the imaginary part
ok so
if Ac+Be=dc+fe where c=c and e=e then A=d and B=f

(3+2i)(a+bi)=17+7i
expand/distribute/FOIL
3a+2ai+3bi+2bi²=17+7i
3a+2bi+2ai+2bi=17+7i
3a-2b+2ai+2bi=17+7i
real parts are 3a-2b
imaginary is 2ai+2bi
so

3a-2b=17 and
2ai+2bi=7i

we need to solve
2nd equation, divide both sides by i
2a+2b=7
multiply by -1 and add to other equation

3a+2b=17
<u>-2a-2b=-7 +</u>
1a+0b=10
a=10

subsitue
2a+2b=7
2(10)+2b=7
20+2b=7
2b=-13
b=-13/2


the complex number is
10-(13/2)i or
10-6.5i
8 0
3 years ago
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