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SpyIntel [72]
3 years ago
15

Eliana purchased some pencils for $0.45 each. She also purchased a ruler for $1.60. Eliana spent more than $1.75 on the ruler an

d pencils. Write an inequality that can be used to find p, the number of pencils that Eliana could have purchased.
Mathematics
1 answer:
vichka [17]3 years ago
6 0

Answer:

.45p+1.6>1.75

Step-by-step explanation:

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A rectangular portrait has an area of 40 square feet it's perimeter is 26 feet what are the dimensions of the portrait?
lana [24]

Answer:

Step-by-step explanation:

Portrait is in the shape of a rectangle.

And the area of a rectangle = Length × Width

Let the length of the portrait = l

And width of the portrait = w

Area of the portrait = lw

lw = 40

l = \frac{40}{w}

Perimeter of a rectangle = 2(Length + width)

Perimeter of the portrait = 2(l + w)

26 = 2(l + w)

l + w = 13 ----------(2)

By substituting the value of 'l' in equation (1) from equation (2)

\frac{40}{w}+w=13

40 + w² = 13w

w² - 13w + 40 = 0

w² - 8w - 5w + 40 = 0

w(w - 8) - 5(w - 8) = 0

(w - 5)(w - 8) = 0

w = 5, 8 feet

From equation (2)

l = 8, 5 feet

Therefore, dimensions of the portrait are (5 feet by 8 feet) Or (8 feet by 5 feet).

8 0
2 years ago
Equivalent expression of 4(6x+11)-5x
Lerok [7]

Expand: 24x+44-5x

=19x+44

8 0
3 years ago
Tyler's fish tank has 12 orange fish and 4 grey fish. What is the ratio of orange fish to grey fish
jenyasd209 [6]

Answer:

12/4

simplified = 3

Step-by-step explanation:

6 0
2 years ago
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3 + 11 × 8^2 = <br> PLEASE HELP ASAP
Doss [256]

3+11×8²

=3+11×64

=3+704

=707

4 0
3 years ago
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Which of the graphs below correctly solves for x in the equation −x2 − 3x − 1 = −x − 4?
Tanzania [10]
We have 
−x²<span> − 3x − 1 = −x − 4

let 
f(x)=</span>−x² − 3x − 1
g(x)= −x − 4
the solution for
f(x)=g(x) is the intersection both graphs

using a graph tool
see the attached figure

the solution are the points
(-3,-1)
and
(1,-5)

8 0
3 years ago
Read 2 more answers
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