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NemiM [27]
2 years ago
9

4. Evaluate 4x + 2 when x = 5 O 22 47 O 11

Mathematics
2 answers:
Lapatulllka [165]2 years ago
7 0
22 because 4 x5 =20 and when you add 2 it equals 22
Lerok [7]2 years ago
7 0

Answer:

22 because 4 x5 =20 and when you add 2 it equals 22!!

Step-by-step explanation:

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Point Ais a representation of which number on the number line?<br> 0<br> T<br> -3<br> 1
irinina [24]

Answer:

B = -3

Step-by-step explanation:

7 0
3 years ago
Last Question...Please help if you can...(25 points if you answer this)
tresset_1 [31]

Answer:

  • Annie- 17 hours, Brian- 3 hours

Step-by-step explanation:

Let the number of hours Annie travelled be a, and same of Brian be b

<u>Then we have</u>

  • a + b = 20
  • a = 5b + 2

<u>Substituting a in the first equation</u>

  • 5b + 2 + b = 20
  • 6b = 20 - 2
  • 6b = 18
  • b = 3

<u>Then finding a</u>

  • a = 20 - 3 = 17

<u>So the answer is:</u>

  • Annie- 17 hours, Brian- 3 hours
5 0
3 years ago
Pls help it is urgent .A trader bought a plate for 120 naira and sold it for 168 naira.What is his percentage profit.
telo118 [61]

Answer:

Percentage profit=40%

Step-by-step explanation:

Cost price=120 Naira

Sold price=168 Naira

Profit=Sold price- cost price

=168-120

=48 Naira

Percentage profit=profit/cost price×100

=48/120×100

=0.4×100

=40%

Percentage profit=40%

3 0
3 years ago
Christina is saving for a new tablet it cost $70 including tax she has already saved $35 how much more does she need to save
igomit [66]

Answer:

She needs to save $35.

Step-by-step explanation:

To find out how much more she needs, you take $70 and minus $35

70-35=35

Hope this helps!

8 0
3 years ago
Find the Perimeter and Area
igor_vitrenko [27]

Answer:

Area = 20.28 cm^2

Perimeter = 16.28 cm

Step-by-step explanation:

The figure is composed of a half circle and a rectangle,

The circle has a diameter of 7 - 2 - 1 = 4cm and the rectangle is of side 2 cm and 7 cm.

Therefore the area is :

Area = A rectangle + Acircle/2 = 2*7 + pi*r^2/2 = 20.28 cm^2

The perimeter is :

Perimiter = 1 + 2 + 7 + Pcircle/2 = 1 + 2 + 7 + 2*pi*r/2 = 16.28 cm

3 0
2 years ago
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