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Harrizon [31]
3 years ago
5

Write 5+(-3) using addition

Mathematics
2 answers:
Zanzabum3 years ago
8 0

Answer: 2

Step-by-step explanation: 5+(-3) = 5-3 = 2 Brainliest please?

const2013 [10]3 years ago
3 0

\huge\text{Hey there!}

\huge\boxed{\huge\boxed{\frak{Guide}}\downarrow}}

\bullet\large\text{ Negatives are below 0 \& is on the left side of the number line.}\\\bullet\large\text{ Positives are above 0 \& is on the right side of the number line.}\\\\\star\large\textsf{ Negative \& negative equals positive}\\\star\large\textsf{ Positive \& positive equals positive}\\\star\large\textsf{ Negative \& positive equals negative}\\\star\large\textsf{ Positive \& negative equals negative}

\large\text{5 + (-3)}\\\large\textsf{= 5 - 3}}\\\large\textsf{= 2}\\\\\huge\boxed{\textsf{Therefore, your answer is: 2}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}}

~\frak{Amphitrite1040:)}

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Phyllis invested 50000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a rate of 7
Elodia [21]

Answer:

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

Let

x-----> the amount invested at 5%

50,000-x -----> the amount invested at 7%

so

t=1\ year\\ I=\$2,720\\r_1=0.05\\r_2=0.07\\P_1=\$x\\P_2=\$(50,000-x)

substitute in the formula above

2,720=x(0.05*1)+(50,000-x)(0.07*1)

solve for x

2,720=0.05x+3,500-0.07x

0.07x-0.05x=3,500-2,720\\0.02x=780\\x=\$39,000

(50,000-x)=\$11,000

therefore

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

5 0
3 years ago
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
dimulka [17.4K]
You can set up a system of equations for this problem. x= number of coach tickets and y = number of first class tickets.

$210x + $1200y = $10,230 (cost of coach ticket plus cost of first class tickets is total budget)

x + y = 11 (number of coach tickets plus number of first class tickets is total number of people)

Solve the second equation for y to get y = 11 - x, then plug that into the first equation and solve for x:

$210x + $1200(11 - x) = $10,230

$210x + $13,200 - $1200x = $10,230

-$990x + $13,200 = $10,230

-$990x = $2,970

x = 3


Sarah bought x = 3 coach tickets. Plug that into the second equation and solve for y:

3 + y = 11

y = 8


Sarah bought y = 8 first class tickets.
6 0
3 years ago
Using the completing-the-square method, rewrite f(x) = x2 + 10x + 7 in vertex form
mr Goodwill [35]

Answer:

f(x) = (x - (-5))^2 + (-18)

Step-by-step explanation:

Given:

f(x) = x^2 + 10x + 7

Rewrite f(x) in vertex form

Solution:

f(x) = ax^2 + bx + c is a quadratic function.

The vertex form of f(x) is a(x - h)^2 + k, where (h, k) is the vertex.

=> f(x) = x^2 + 10x + 7

          = x^2 + 10x + 25 - 18

          = (x + 5)^ - 18

          = (x - (-5))^2 + (-18)

=> f(x) can be rewritten in form of a(x - h)^2 + k, where (h, k) is the vertex, with a = 1, h = -5, k = -18

6 0
3 years ago
Jan 24, 11:13:55 PM
Hitman42 [59]

Answer:

The answer is a Whole number which would be 7.

Step-by-step explanation:

If he need one pound of cheese for each pizza and he has seven pounds of cheese then he would be able to make 7 pizzas.

8 0
3 years ago
Read 2 more answers
A rational expression had been simplified below.
Lina20 [59]
I agree. All real numbers except -1.
4 0
3 years ago
Read 2 more answers
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