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dolphi86 [110]
3 years ago
8

Solve x + 2y = 13 4x + 8y = −9 (1 point)

Mathematics
2 answers:
lianna [129]3 years ago
7 0

your answer to the 2nd one is y=-9-4x over 8


Fynjy0 [20]3 years ago
5 0
I think that’s it. If not sorry.

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What is the area of the polygon?
Delvig [45]
Find the area of the triangle on top
A=(.5)(Base)(Height)
A=(.5)(15)(9)
A=67.5

In the rhombus below you can move the corner triangle to the other side to transform it into a rectangle with a sides of 7 and 15.  so lets find the area of this rectangle
A=L*W
A=15*7
A=105

now combine the two areas
67.5+105
172.5
so answer "C"
6 0
3 years ago
What is 4 1/3 minus 2 3/4
valentinak56 [21]
What you are asking is
4 \frac{1}{3} -2 \frac{3}{4}
we need to make the fractions improper now,
\frac{13}{3} - \frac{11}{4}
now we need common denominators:
\frac{52}{12} - \frac{33}{12}
we get 
\frac{19}{12}
OR
1 \frac{7}{12}
5 0
3 years ago
It an item has a retail price =475 and a discount of $45 what percentage discount is offered?
Bingel [31]
Marked price = 475
Discount = 45 

   Percentage Discount.

Discount/marked price × 100%

45/475 × 100% = 9.47%

Answer = 9.47%



7 0
3 years ago
Kay and Allen sell cell phones. Last month Kay sold 17 more cell phones than Allen. Together they both sold 117 cell phones. How
cricket20 [7]

Answer:

Step-by-step explanation:

K = A + 17

K + A = 117

A + 17 + A  = 117

2A + 17 = 117

2A = 117 - 17

2A = 100

A = 100/2

A = 50 <=== what Allen sold

K + A = 117

K + 50 = 117

K = 117 - 50

K = 67 <==== what Kay sold

8 0
4 years ago
Triangle abc is congruent to triangle xyz in abc ab 12
Kipish [7]

A triangle is a polygon with three edges and three vertices, perimeter of ΔABC = 36cm.

<h3>Congruent triangles are what?</h3>

Congruent triangles are two triangles that are identical in terms of their size and shape. One of two congruent triangles remains congruent even if it is rotated, flipped, or turned. Two triangles must have the same sides in order for them to have the same angles and, as a result, to be congruent.

Triangles with equal measures are congruent.

36cm = perimeter of ΔABC

Here we have,

ΔABC ≅ Δ XYZ

So,

= > 12 = XY = AB\\= > 14 = XZ = AC\\= > 10 =  YZ = BC\\

Therefore,  perimeter of ΔABC = 36cm

To know more about Congruent triangles visit:

brainly.com/question/22062407

#SPJ4

7 0
1 year ago
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