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lorasvet [3.4K]
3 years ago
13

Find the value of the expression if x=9 and y=1 Xy^2/-5

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

Answer:

-9/5

Step-by-step explanation:

Xy^2/-5 becomes (9)(1^2) / (-5) when x = 9 and y = 1.

This simplifies to -9/5

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Juan invest $3700 in a simple interest account at a rate of 4% for 15 years
OleMash [197]

<em><u>Question:</u></em>

Juan Invest $3700 In A Simple Interest Account At A Rate Of 4% For 15 Years. How Much Money Will Be In The Account After 15 Years?

<em><u>Answer:</u></em>

There will be $ 5920 in account after 15 years

<em><u>Solution:</u></em>

<em><u>The simple interest is given by formula:</u></em>

S.I = \frac{p \times n \times r }{100}

Where,

p is the principal

n is number of years

r is rate of interest

From given,

p = 3700

r = 4 %

t = 15 years

Therefore,

S.I = \frac{3700 \times 4 \times 15 }{100}\\\\S.I = 37 \times 4 \times 15\\\\S.I = 2220

<em><u>How Much Money Will Be In The Account After 15 Years?</u></em>

Total money = principal + simple interest

Total money = 3700 + 2220

Total money = 5920

Thus there will be $ 5920 in account after 15 years

8 0
3 years ago
Let z = 5. What is the value of (10 + 25) ÷ z?
Murrr4er [49]

Answer:

<h2>A. 7</h2>

Step-by-step explanation:

Put z = 5 to the expression (10 + 25) ÷ z:

(10 + 25) ÷ 5 = 35 ÷ 5 = 7

5 0
3 years ago
Trim earnings 28.50 tutoring for 3hours write an equation relating her earnings m to the number of hours h she tutors assuming t
neonofarm [45]

Answer:

142

Step-by-step explanation:

28.59 times 5 bc 3 plus 2 is 5

5 0
3 years ago
What percentage is the fraction ‘2/4’ equal to ?<br> A. 30% <br> B. 20% <br> C. 50% <br> D. 40%
Solnce55 [7]

Answer: C.) 50%


Step-by-step explanation:

2/4 simplified = 1/2

1/2 = "one half"

= 50%

3 0
3 years ago
Read 2 more answers
At the grocery store last week, SuperSugarSweet candy bars were priced at 4 bars for 5$. This week, they are on sale at 5 bars f
AURORKA [14]

The percent change would be 36%

<h3>What is percent change?</h3>

Percent increase and percent decrease are measures of percent change, which is the extent to which a variable gains or loses intensity, magnitude, extent, or value.

Given:

4 candy bars = 5$

1 candy bar = 5/4

1 candy bar = 1.25$

Now,

5 candy bars = 4$

1 candy bar =4/5

1 candy bar = 0.8$

% change = (0.8-1.25) / 1.25 *100

                  = 36%

Learn more about percent change here:

brainly.com/question/9144026

#SPJ1

8 0
2 years ago
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