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tigry1 [53]
3 years ago
12

Please help on these!

Mathematics
2 answers:
Tomtit [17]3 years ago
7 0
1.
A=\dfrac{14\cdot5}{2}=\dfrac{70}{2}=35

2. Look at the picture.

A_I=8\cdot13=104\ in^2\\\\h=19-13=6\ in\\\\A_{II}=\dfrac{8\cdot6}{2}=\dfrac{48}{2}=24\ in^2\\\\A=104+24=128\ in^2

Kobotan [32]3 years ago
4 0
Area of the triangle = 1/2 x base x height
Area  = 1/2 x 14 x 5 = 35 unit²

Answer: 35 unit²

Area of the rectangle = length x width
Area of the triangle = 1/2 x base x height
Area = (13 x 8) + (1/2 x 6 x 8) = 104 + 24 = 128 in²

Answer:  128 in²

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Which expression is equivalent to 1/4 n -16?
Amanda [17]

Answer:

Option B: 1/4(n - 64)

Step-by-step explanation:

As given that:

= 1/4n - 16

By taking 1/4 common: 4 will get multiplied by 16

As 16*4 = 64 so,

The expression would become:

=1/4(n -64)

i hope it will help you!

8 0
4 years ago
If you will write this in ratio 5 triangles is to 8 rectangles
polet [3.4K]

Answer:

5 to 8, 5/8, 5:8

Step-by-step explanation:

if you have 5 triangles then TO 8 rectangles it will be (5 to 8, 5/8, or 5:8) those are all 3 ways to write it and it has to be # TO # in the right order it says in the sentence

<h3>hope this helped</h3>

4 0
3 years ago
Find the missing probability in the table below.
KATRIN_1 [288]
X          1           2        3         4
p(x)    0.40    0.20   0.15     ?

If the items are only 4. The total of the probability must be 1 or 100%

1 - 0.40 - 0.20 - 0.15 = 0.25

The probability of 4 is 0.25.
5 0
4 years ago
In a certain town there were 468 robberies last year. This year the number of robberies has gone down 30%. How many robberies we
kirill [66]

Answer:

328 robberies

Step-by-step explanation:

Take 30% make it a fraction :

0.30

Multiply that by 468 :

140.4

Since it's gone down subtract :

468-140.4 = 327.6

Round to the nearest whole number :

328

3 0
3 years ago
A new bank customer with $4,500 wants to open a money market account. The bank is offering a simple
sasho [114]

Answer:

a) interest in 30 years will be $1,890

b) account balance in 30 years will be $6,390

Step-by-step explanation:

Interest = Principal · Rate · Time

            = 4500 (.014)(30)

            = 1,890

Total Amount = Interest + Principal

                       = 1,890 + 4,500

8 0
3 years ago
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