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KatRina [158]
3 years ago
12

Brandon has a jar of quarters and dimes with a total value of $7.05. The number of quarters is 3 less than twice the number of d

imes. How many quarters and how many dimes does Brandon have?
Number of quarters =

Number of dimes =
Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

Answer:

  • quarters: 23
  • dimes: 13

Step-by-step explanation:

Let d represent the number of dimes. Then the number of quarters is 2d-3 and the total value of the coins is ...

  0.10d + 0.25(2d-3) = 7.05

  0.60d -0.75 = 7.05 . . . . . . . simplify

  d = (7.05 +0.75)/0.60 = 13 . . . . add 0.75, divide by 0.60

  2d-3 = 2·13 -3 = 23

Brandon has 23 quarters and 13 dimes.

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A student knows the height of a pyramid and the area of its base. What should the student do to find the volume of the pyramid
Varvara68 [4.7K]

Answer:

Multiply the area of the base by the height and divide by 3.

Step-by-step explanation:

V = (1/3)Bh

where B = area of the base, and

h = height

Answer: Multiply the area of the base by the height and divide by 3.

5 0
3 years ago
Read 2 more answers
Circle O is shown. 2 tangents intersect at a point outside of the circle which is labeled Satellite. The angle formed is 20 degr
TiliK225 [7]

Answer:

The arc measure, x, that the satellite can see is 160°

Step-by-step explanation:

Given that the two tangents intersect at a point outside the with circle center O

The angle formed between between the two tangent = 20°

The first arc formed is measured as x°, which is the arc opposite the point where the two tangents meet = The arc the satellite can see

The angle x is given by the relationship;

x = 2 × (90 - v/2)

Where;

v = The angle formed at the point where the two tangent meet = 20°

Therefore;

x = 2 × (90 - 20/2) =  2 × (90 - 10) =  2 × 80  = 160°

The arc measure, x, that the satellite can see = 160°.

3 0
3 years ago
Read 2 more answers
How do I get the answer, and what is it?
inn [45]
To get the answer you got to get the distance
I is -19
J is -11.1
K is 7.5
to get IJ you must subtract; 19-11.1
to get JK you must add 7.5 and 11.1
IJ= 7.9
JK= 18.6
5 0
3 years ago
Given the polynomial expression 3x^2 + 3bx - 6x - 6b, factor completely.
My name is Ann [436]
The answer is 3 (x+b) (x-2)



Yw! :)
3 0
2 years ago
Which of the following expressions is not equal to 12?<br> |-12|<br> 2|6|<br> -|12|
valentina_108 [34]

Answer:

The absolute value is the distance between a number and zero. The distance between −12 and 0 is 12

.

12

Step-by-step explanation:

6 0
3 years ago
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