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OleMash [197]
3 years ago
9

Find the value of y (super easy)

Mathematics
1 answer:
Talja [164]3 years ago
5 0

Answer:

Step-by-step explanation:

4x + 23 + 9x - 38 = 180

13x - 15 = 180

13x = 195

x = 15

4(15) + 23= 60 + 23= 83

9(15) - 38 = 135 - 38= 97

21y - 1 + 97 = 180

21y + 96 = 180

21y = 84

y = 4

21(4) - 1 = 84 - 1 = 83

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2
Contact [7]
Answer is C
Each additional year of
6 0
3 years ago
Help me with this sum please
vovangra [49]
Volume=length times width times height
this should be easy

a.
the volume of a box is 2.5 times 1 times 1 or 2.5 cubic meters

b.
number of boxes times volume per box=volume of container
number of boxes=volumecontainer/volumebox
find volumecontianer
volumecontainer=5 times 2 times 3=30 cubic meters

number of boxes=30/2.5
number of boxes=12
12 boxes needed to fill container


c.
box
1m=100cm
1m by 1m by 2.5m convert so (times everybody by 100)
100cm by 100cm by 250cm
multiply
2,500,000 cubic centimeters
4 0
3 years ago
Emilie rides her bike x miles before she gets a flat tire. She walks 1/3mile to a bus stop and then takes a bus for 2 1/2miles.
ICE Princess25 [194]

Given :

Emilie rides her bike x miles before she gets a flat tire.

She walks 1/3 mile to a bus stop and then takes a bus for 2 1/2 miles.

To Find :

Which expression shows how many miles Emilie travels in all.

Solution :

We know, total distance covered is given by sum of all the distance she travelled.

Distance covered, D = x + 1/3 + 2 1/2

D = x + 1/3 + 5/2

D = (6x + 2 + 15)/6

D = (6x + 17)/6

Therefore, total distance travelled by Emilie is (6x + 17)/6 .

7 0
3 years ago
Consider the following relation: {(1,12), (3,8), (3, 11), (6,9), (7,11)). Which ordered
sukhopar [10]

Answer:

(3,11) or (7,11)

Step-by-step explanation:

A function cannot have the same second number repeated ( forgot the term for the second number) so removing either (3,11) or (7,11) would leave it being a function

3 0
3 years ago
The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm.
meriva
Find the area of the large circle and the small circle and then subtract those two to find the area of the shaded region.

Radius of the large circle = 5.25
Radius of the small circle = 2.25

Area of larger circle = 

πr² = (3.14)(5.25)² = 86.55

Area of smaller circle = 

πr² = (3.14)(2.25)² = 15.91

Now subtract the two areas:

86.55 - 15.91 = 70.64

The area of the shaded region is approx. 70.7 cm²

Hope this helps :)
6 0
3 years ago
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