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gayaneshka [121]
3 years ago
5

Robs number is equal to twice bobs number, cobs number is eight times larger than two less than bobs number, the sum of robs num

ber and cobs number is 22, what are each of their numbers?
Mathematics
1 answer:
Brut [27]3 years ago
6 0
B=B
R=2B
C=8(B-2)=8B-16
R+C=22
(2B)+(<span>8B-16)=22
B=3.8
R=7.6
C=14.4</span>
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what are two decimals with thousandths that would give 0.2 when rounded to the nearest tenth and 0.20 when rounded to the neares
egoroff_w [7]
Ur answer it 0.04 bc u would take the 0.2•0.20=0.04
3 0
3 years ago
An oarsman can row his boat 3 mph in still water. He sets out on the Illinois River, which flows at 5 mph. We are interested in
Artyom0805 [142]

Answer:

The speed from the observer is 8 mph.

Step-by-step explanation:

When the boat is going downstream with full force, its speed will be the one the oarsman can row on still water added by the flow of the river. In this case he can row the boat at speed of 3 mph, while the stream is 5 mph, so the speed from the observer standpoint is:

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The speed from the observer is 8 mph.

4 0
3 years ago
Triangle DEF is an isosceles, so AngleDEF Is-congruent-toAngleDFE. A horizontal line has points C, F, E, G. 2 lines extend from
asambeis [7]

Answer:

105 degrees

Step-by-step explanation:

Angle DEF measures 75°.Triangle DEF is an isosceles, so AngleDEF Is-congruent-toAngleDFE.

the angles all together is 180 degrees

so 180 - 75 = 105 degrees

3 0
3 years ago
A sign company charges $28 per yard for each custom made banner. Ms. Gill orders two banners that are each 1 7/8 yards yards lon
Svetlanka [38]

Answer:

$896

Step-by-step explanation:

We are given that

Charge of 1 yard for each custom-made banner=$28

Length of 1 piece=15 yards

Length of another piece=2 yards

We have to find that how much money payed by Ms.Gill for all three banners.

According to question

Cost of 15 yards long banner=$420

Cost of 2 piece of 15 yards long banner==$840

Cost of 2 yards long banner==$56

Total cost of 3 piece of banners=840+56=$896

Hence, Ms gill pay for all three banners=$896

Your Welcome;)

8 0
3 years ago
Simplify the expression-14-(-8)​
Y_Kistochka [10]

Answer:

the answer is -6

Step-by-step explanation:

-14-(-8)=-6.

8 0
3 years ago
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