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Advocard [28]
3 years ago
8

One number is 3 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 510,

find the numbers
Mathematics
1 answer:
Brums [2.3K]3 years ago
7 0

Answer:

82

Step-by-step explanation:

solve a + (3a) + (a + 100)=510

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4x + 10 = 2x - 14<br> Find the value of x.
Gre4nikov [31]

Answer:

x= -12

Step-by-step explanation:

Simplifying

4x + 10 = 2x + -14

Reorder the terms:

10 + 4x = 2x + -14

Reorder the terms:

10 + 4x = -14 + 2x

Solving

10 + 4x = -14 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.

10 + 4x + -2x = -14 + 2x + -2x

Combine like terms: 4x + -2x = 2x

10 + 2x = -14 + 2x + -2x

Combine like terms: 2x + -2x = 0

10 + 2x = -14 + 0

10 + 2x = -14

Add '-10' to each side of the equation.

10 + -10 + 2x = -14 + -10

Combine like terms: 10 + -10 = 0

0 + 2x = -14 + -10

2x = -14 + -10

Combine like terms: -14 + -10 = -24

2x = -24

Divide each side by '2'.

x = -12

Simplifying

x = -12

3 0
2 years ago
Read 2 more answers
What is the area of the following circle?
satela [25.4K]

Answer:

This is the answer of your question.

8 0
2 years ago
If QRST below is a rectangle, what is the measure of angle T + angle R?
GenaCL600 [577]
I can't see QRST and I'm wondering how far below it's located.

But I do know that ALL of the angles in EVERY rectangle are
right angles ... 90°  each.

So if QRST is really a rectangle, then any two of its angles
add up to  (2 · 90°)  =  180° .
7 0
3 years ago
6) Jesse is buying a home for $450,000 at 7.8% interest and Jesse is putting 30% down? He wishes to buy 3 points what is the cos
krek1111 [17]

Answer:

$9450

Step-by-step explanation:

Given that:

The price of the home = $450000

The interest = 7.8%

Down payment = 30% of price of the home

i.e 0.3 × 450000 = 135000

The principal outstanding balance = 450000 - 135000

= 315000

Finally, the cost of 3 points will be;

= 315000 \times \dfrac{3}{100}

= $9450

3 0
3 years ago
Tyrone’s hourly wage is $18 and his net pay is 72% of his earnings. Tyrone spends about $1,800 on his monthly expenses. If Tyron
White raven [17]

Answer:

Step-by-step explanation:

The answer is

72% of his earnings is $18x 72 / 100 = $12.96

Tyrone works 40 hours per week

in one month

he works 40*4=160 hours

so 1 hour is for $12.96 net

160 hours for x=?

x=$2073.6

his total monthly cash inflow  is $2073.6 - $1,800=$273.6

8 0
3 years ago
Read 2 more answers
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