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natulia [17]
3 years ago
7

What is the difference of (6d+2)-(3d -3)

Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0

Answer:

3d+5

Step-by-step explanation:

Say x is the difference

Solve for x.

6d+2−(3d−3)=x

Step 1: Flip the equation.

x=6d+2−(3d−3)

Step 2: Simplify

x=(6d-3d)+(2+3)

x=3d+5

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Dave has $3000 more in a passbook account than in a money market.
Goryan [66]

The amount in the passbook account is $11,000 and the money in the money market account is $8000

Let:

a represent the unknown amount in the passbook account

b represent the unknown amount in the money market account

From the question, the following information can be gathered:

  • The money in the passbook account exceeds the amount in the money market account.

This information can be represented with this equation : a - b = 3000

  • The interest paid on the passbook account exceeds the interest paid on the money market account.

This information can be represented with this equation : 0.08a - 0.10b = 80

The two equations gotten above would be solved using simultaneous equation and the elimination method

a - b = 3000 equation 1

0.08a - 0.10b = 80 equation 2

Multiply equation 1 by 0.08

0.08 - 0.08b = 240 equation 3

Subtract equation 2 from 3

0.02b = 160

Divide both sides of the equation by 0.02

b = 8000

Substitute for b in equation 1

a - 8000 = 3000

Add 8000 to both sides

a = 11,000

To learn more about simultaneous equations, please check: brainly.com/question/23589883?referrer=searchResults

4 0
2 years ago
I really need help urgently!!! Geometry!
Naddik [55]
Both triangles are similar because 2 angles are same, only difference is in size.
similarity theorem - 2 angles of one triangle are congruent to 2 angles of another triangle, corresponding sides are in proportional.

24/ 3x+6 = 32/28
24 x 28 = 32 (3x+6)
x = 5

3 0
3 years ago
What is the slope of the line that passes through the points (-4, 0) and (2, 0) in simplest form
kifflom [539]

Answer:

0

Step-by-step explanation:

The slope formula is [ y2-y1/x2-x1 ]

We can use the given points to solve.

0-0/2-(-4)

0/6

0

Best of Luck!

4 0
3 years ago
Reuben runs 5 miles in 30 minutes. How many miles does he run per minute?
Irina18 [472]
1/6 of a mile per minute
8 0
3 years ago
A circle has a central angle measuring 90° that intersects an arc of length 117.75 inches.
pychu [463]
90 degrees is one quarter of a circle so,
circumference = 4 * 117.75 = 471
circumference = 2 * PI * radius
radius = 471 / (2*PI)
radius = <span> <span> <span> 74.9619781963 </span> </span> </span>


5 0
3 years ago
Read 2 more answers
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