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dlinn [17]
3 years ago
9

Evaluate the expression for a=3 and b=1/4. 5a−16b+7

Mathematics
1 answer:
Ahat [919]3 years ago
6 0

Answer:

18

Step-by-step explanation:

you have to multiply 5 and 3(which gives you 15) first, then move on to16 times 1/4 which gives you 4 then just add 7 and your done.

You might be interested in
3plus 5 equal 3 plus x
soldi70 [24.7K]

Answer:

x=5

Step-by-step explanation:

if 3+5 equals 8 then 3 plus x would be 5

4 0
3 years ago
Lola purchased two pairs of shoes that each cost $20.00. She then purchased a pair of jeans for $14.50 and a shirt for $8.25. Wh
crimeas [40]

Answer: $62.75

Step-by-step explanation:

1.)$20.00 x2= $40.00

2.)$14.50 +$8.25= $22.75

3.)$40.00 +$22.75= $62.75

Hope this helps

5 0
4 years ago
Evaluate the following equations
DochEvi [55]

Step-by-step explanation:

A....

Solution ,

=  \frac{h - 3}{3}  = 3h \\

= h - 3 = 9h

= h - 3 - 9h = 0

= h - 9h = 3

=  - 8h = 3

Change the sign of both side

= 8h =  - 3

= h =  -  \frac{3}{8 }  \\

B....

Solution,

=  \frac{t}{2}  =  \frac{t + 1}{5}  \\

Multiply the both side by the least common multiple to eliminate the fraction...

= 5t = 2t + 2

= 5t - 2t = 2

= 3t = 2

= t =  \frac{2}{3}  \\

5 0
2 years ago
Find the area of triangle ABC to the nearest tenth. Inabc, a=11 c=11 b=100°.
lys-0071 [83]

Answer:

  59.6 square units

Step-by-step explanation:

The area is given by the formula ...

  area = (1/2)ac·sin(B)

Fill in the given numbers and do the arithmetic.

  area = (1/2)(11)(11)(sin(100°)) ≈ 59.6 . . . . square units

7 0
4 years ago
What is the area of this figure? <br><br> Enter your answer in the box.
ale4655 [162]

Answer:

42 units squared

Step-by-step explanation:

break it up into smaller shapes. if you split the big shape at y = 2 and at y=-2, you'll get two triangles and one rectangle.

so the area of the rectangle = l x w

= 4 x 7

= 28

the area of the triangle is ( l x w )/2

= (7 x 2)/2

= 7

the other triangle is the same too

so the area of that is also 7.

now add all areas,

7+7+28 = 42

8 0
3 years ago
Read 2 more answers
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