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erastova [34]
3 years ago
12

How do you solve -3=1+5v+1

Mathematics
2 answers:
Sever21 [200]3 years ago
7 0
Simplify the equation: -3 = 2 + 5v. Subtract 2 from each side to isolate v, this results in: -5 = 5v. Divide both sides by 5 to get the answer to v: -1 = v.
Agata [3.3K]3 years ago
3 0

Answer:

v=−1

Step-by-step explanation:

−3=(5v)+(1+1)(Combine Like Terms)

−3=5v+2

−3=5v+2

5v+2=−3

5v+2−2=−3−2

5v=−5

5v/ 5 = −5 /5

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In a right angled triangle, the two sides forming a right angle measure 8cm and 6cm. Area of this triangle is
Solnce55 [7]
<h3>Answer:  24 square cm</h3>

Work Shown:

base = 8, height = 6

area = (1/2)*base*height

area = (1/2)*8*6

area = 0.5*8*6

area = 4*6

area = 24

5 0
4 years ago
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The simple interest on a certain sum of money for 2 years at 5% per annum is Rs 320. What will be the compound interest on the s
Brilliant_brown [7]

Answer:

Rs 328

Step-by-step explanation:

Find the <u>principal</u> amount invested.

<u>Simple Interest Formula</u>

I = Prt

where:

  • I = interest earned
  • P = principal
  • r = interest rate (in decimal form)
  • t = time (in years)

Given:

  • I = Rs 320
  • r = 5% = 0.05
  • t = 2 years

Substitute the given values into the formula and solve for P:

⇒ 320 = P(0.05)(2)

⇒ 320 = P(0.1)

⇒ P = 3200

<u>Compound Interest Formula</u>

\large \text{$ \sf I=P\left(1+\frac{r}{n}\right)^{nt} -P$}

where:

  • I = interest earned
  • P = principal amount
  • r = interest rate (in decimal form)
  • n = number of times interest applied per time period
  • t = number of time periods elapsed

Given:

  • P = 3200
  • r = 5% = 0.05
  • n = 1 (annually)
  • t = 2 years

Substitute the given values into the formula and solve for I:

\implies \sf I=3200\left(1+\frac{0.05}{1}\right)^{2} -3200

\implies \sf I=3200\left(1.05\right)^{2} -3200

\implies \sf I=3200\left(1.1025\right) -3200

\implies \sf I=3528-3200

\implies \sf I=328

Therefore, the compound interest on the same sum for the same time at the same rate is Rs 328.

7 0
2 years ago
Student answers 90% of the questions on the math exam correctly if she answers 27 questions correctly how many questions are on
liubo4ka [24]

Answer:

30 questions

Step-by-step explanation:

if you cross multiply and divide like this,

\frac{27}{x}= \frac{90}{100}

27 x 100 = 2700

2700 / 90 = 30

you'll get ; 30 !

4 0
3 years ago
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Which equation can be used to find the measure of angle ljk
vivado [14]

If we are given a triangle JKL and we assume that this is a right triangle, we can find the measure of the angle LJK by using formulas derived from the Pythagorean Theorem.If opposite side = 10    hypotenuse = 15then, we can use: cos (x) = opposite / hypotenusesin (x) = 10 / 15

5 0
3 years ago
How many three-digit multiples of 5 have three different digits and an odd tens digit?
amid [387]

Answer:

68?

Step-by-step explanation:

multiples of 5 end in 5 or 0

_ _ _

last digit has 2 choices ( 5 and 0 )

1,3,5,7,9 are odd

so tens digit has 5 choices but we see that 5 is repeated so we split into more cases

when last digit is 0, tens digit has 5 choices then hundreds digit has 8 choices so 1*5*8=40

when last digit is 5, tens digit has 4 choices and hundreds digit has 7 choices (0 can't be first digit) 1*4*7=28

40+28=68

3 0
2 years ago
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