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Licemer1 [7]
3 years ago
11

Which expression is equivalent to 11c-4c? A. 5c+2c B. 3c+7c

Mathematics
1 answer:
timurjin [86]3 years ago
4 0
11c-4c = 7c
5c+2c= 7c
3c+7c= 10c

11c-4c= 5c+2c =A
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Gene invested $500 at a 8% interest compounded quarterly . How much is in his account after one year? A. 41.21 B. 53.14 C. 541.2
attashe74 [19]
A 41.21 it is that for what the answer is

4 0
4 years ago
What is the decimal form for the given fraction 640/1000
Andru [333]

Answer:

0.64

Step-by-step explanation:

1.) 1000 = 10×10×10

2.) 640÷10=64

3.) 64÷10=6.4

4.) 6.4÷10=0.64

5 0
2 years ago
Find the area of the trapezoid below to the nearest tenth.
kondor19780726 [428]

Answer:

Area of trapezoid = 67.6 square units

Step-by-step explanation:

Area of a trapezoid is given by the expression,

Area of the trapezoid = \frac{1}{2}(b_1+b_2)h

Here, b_1 and b_2 are the parallel sides of the given trapezoid.

And 'h' = Height between the parallel sides

From the given triangle ABE,

m(∠ABE) = m(∠ABC) - m(∠EBC)

m(∠ABE) = 120° - 90°

               = 30°

By applying cosine rule in the given triangle,

cos(30°) = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

\frac{\sqrt{3} }{2}=\frac{BE}{AB}

\frac{\sqrt{3} }{2}=\frac{BE}{6}

BE = 3\sqrt{3} units

By applying sine rule in ΔABE,

sin(30°) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

\frac{1}{2}=\frac{AE}{AB}

\frac{1}{2}=\frac{AE}{6}

AE = 3 units

Length of b_1=BC=10

Length of b_2=AD=(AE+EF+FD) [AE = FD, since given trapezoid ABCD is an isosceles trapezoid]

                b_2=3+10+3

                b_2=16

Height between the parallel sides h=3\sqrt{3}

Area of the trapezoid = \frac{1}{2}(BC+AD)BE

                                    = \frac{1}{2}(10+16)(3\sqrt{3})

                                    = 39\sqrt{3}

                                    = 67.6 square units

8 0
3 years ago
3/4(n+3)=9 how do I find n
katrin [286]
It's one of the ways to count it:

3/4 (n + 3) = 9
3/4n + 3/4 * 3 = 9
3/4n + 9/4 = 9
3/4n + 2 1/4 = 9     / - 2 1/4 (both sides)
3/4n = 6 3/4     / : 3/4 (both sides)
n = 9
8 0
3 years ago
Read 2 more answers
Can a MODERATOR please help me with this math question?
babymother [125]
36. you have to multiply the whole thing.
6 0
3 years ago
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