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Ivanshal [37]
2 years ago
10

1 If a +b = 6 and a= 2, what is b A(0 B(2 C(4 D(6

Mathematics
1 answer:
pentagon [3]2 years ago
8 0

Answer:

C(4

Step-by-step explanation:

a + b = 6  

2 + b = 6            plug in

-2        -2            Subtract 2 from both sides

b = 4

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Makovka662 [10]

Answer:

Circumference=2πr or πd

So:

3.14 × 6cm

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6 0
2 years ago
Rhian sat a maths test and an English test In the Maths test she scored 14 out of 17 In the English test she scored 31 out of 39
BabaBlast [244]

Answer:

Rhian did better in the Math test.  

Step-by-step explanation:

Given: Rhian scored 14 out of 17 in a Math test. In the English test she scored 31 out of 39.

To find: In which test did she do better?

Solution:

We have,

Rhian scored 14 out of 17 in a Math test.

Rhian scored 31 out of 39 in an English test.

So, first we need to find the percentage of the marks scored.

Percentage in the Math test =\frac{14}{17}\times100=82.35 \%.

Percentage in the English test =\frac{31}{39}\times100= 79.49\%.    

Clearly, the percentage in the Math test is greater than the percentage in the English test.

So, Rhian did better in the Math test.    

8 0
2 years ago
Draw a quick picture to show the number write how many tens and ones there are Edna has 82 stamps
ale4655 [162]
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8 0
3 years ago
A motorboat travels 204 kilometers in 6 hours going upstream. It travels 372 kilometers going downstream in the same amount of t
Arturiano [62]

9514 1404 393

Answer:

  • boat: 48 km/h
  • current: 14 km/h

Step-by-step explanation:

The upstream speed is ...

  u = (204 km)/(6 h) = 34 km/h

The downstream speed is ...

  d = (372 km)/(6 h) = 62 km/h

The speed of the boat in still water is the average of these values:

  b = (34 kph +62 kph)/2 = 48 kph

The speed of the water is the difference between the boat's speed and the speed made good:

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The rate of the boat in still water is 48 km/h. The rate of the current is 14 km/h.

5 0
2 years ago
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Answer:

Option A (3/4)

Step-by-step explanation:

Please mark Brainliest

5 0
2 years ago
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