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Iteru [2.4K]
3 years ago
12

What is b if the area is 140 units

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
8 0

Answer:

what are the options?

Step-by-step explanation:

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Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50.How many does each mango and each apple cos
lidiya [134]
M = mangoes
a = apples

8m + 3a = 18               Equation 1
3m + 5a = 14.50          Equation 2
Lets multiply equation 1 by 5 and equation 2 by 3
The new equations are:
45m + 15a = 90
9m   + 15a = 43.5

Subtract them and get:
36m = 46.5
m     = 1.30     Divide both sides by 36

Substitute m into equation 2 (either is fine, but choose the easier one)
3(1.30) + 5a = 14.5
3.9     + 5a  = 14.6        Expand the bracket
5a = 10.6                      Minus both sides by 3.9
a   = 2.12                      Divide both sides by 5

Mangoes cost $1.30
Apples cost $2.12 (more like $2.10)

I feel that my working out is wrong, but that is how you work out the answer.
3 0
3 years ago
What is 12.325 + 8.274
Trava [24]

Answer:

20.599

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
(1/4x)-2= x2<br><br>complete the equation ​
yuradex [85]

-1

1/4×-2= -2/4 -2/4×2/1= -1

4 0
3 years ago
Which pair of sides in this shape are parallel
lina2011 [118]

The side AE and side CD are parallel to each other because they will never intersect to each other.

<h3>What is a regular polygon?</h3>

A polygon is a two-dimensional geometric figure having a finite number of sides. Straight-line segments are linked end to end to make a closed shape on the sides or edges of a polygon. The vertices or corners are the spots where two line segments intersect, resulting in an angle.

As we know, the parallel lines never intersect to each other, they go infinitely without crossing each other.

As we can see in the figure (refer to the attached picture)

Line AE and CD are parallel to each.

Thus, the side AE and side CD are parallel to each other because they will never intersect to each other.

Learn more about the regular polygon here:

brainly.com/question/11810316

#SPJ1

7 0
2 years ago
Which one is the slope and which one is the y-intercept? Thank you for answering whoever answers.
Shtirlitz [24]

Answer:

2.50 is the y-intercept, and 0.30 is the slope.

Step-by-step explanation:

y = 0.3x + 2.5

3 0
3 years ago
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