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zhuklara [117]
2 years ago
13

Help please thanks in advance

Mathematics
1 answer:
DochEvi [55]2 years ago
3 0
What does the black say, the options
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At another school they sell a different brand of gift wrap which costs $2 per package and cards for $5 per package. Your friends
zhenek [66]
Hi there,

5x?=110 ?=22

how? 110/5=22

now 2x?=110

110/2=55    ?=55'

so we know now that people bought 22 packages with card and 55 w/th out cards!

so no we need to divide 695/both

695/5=139 packages with cards 

695/2=347 packages without cards 

SO

139 packages with card 

347 packages without card
8 0
3 years ago
What type of angle is angle R?<br> S.<br> R<br> A. acute<br> B. right<br> C. straight<br> D. obtuse
Elis [28]

Answer:

D. Obtuse

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the value of r .
Sever21 [200]

Answer:

0.5

Step-by-step explanation:

hypotenuse/adjacent=r

7/14=0.5

3 0
3 years ago
Assume the following triangles are similar. Find the scale factor and the lengths of the missing sides.
Elanso [62]

Answer:

If two figures are similar, then the correspondent sides are related by a constant factor.

For example, if the base of one side of one of the figures has a length L, then the correspondent side of the other figure has a length k*L where k is the scale factor.

Let's start with the two left triangles.

In the smaller one the base is 5, and the base of the other triangle is 15.

Then we will have:

15 = k*5

15/5 = k = 3

The scale factor is 3.

Then we will have that:

a = scale factor times the correspondent side in the smaller triangle:

a = k*3 = 3*3 = 9

a = 9

For the other two triangles, the base of the smaller triangle is 12, while the base of the larger triangle is 20.

Then we will have the relation:

12*k = 20

k = (20/12) = 10/6 = 5/3

The scale factor is 5/3

This means that the unknown side b is given by:

b*(5/3) = 15

b = (3/5)*15 = 3*3 = 9

b = 9.

5 0
3 years ago
15 (x – 1) + 4 ( x + 3 ) = 2 ( x + 9) + 4
Rudiy27

Answer:

x=1.47

Step-by-step explanation:

15(x-1)+4(x+3)=2(x+9)+4

15x-15+4x+12=2x+18+4

19x-3=2x+22

17x=25

x=25/17

x=1.47

3 0
3 years ago
Read 2 more answers
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