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nataly862011 [7]
2 years ago
13

NEEEEEEEEEEEEEEEEEEEDDDDDDDD HELP

Mathematics
1 answer:
Makovka662 [10]2 years ago
8 0

Answer:

Step-by-step explanation:

1.

19² = 17² +x²

19² - 17² = x²

√361-289 =x

√72 = 8.5 ≈ x

Area = base*h/2 = 17*8.5/2 ≈ 72.3

Perimeter = 19+17+8.5= 44.5

and so on...

2.

x²= 5² +13²...

A= 5*13/2 =...

P= 5+13+x=...

3.

20² = 10² +x²...

A=10*x/2=...

P=20+10+x=...

4.

x² = 5² +14²...

A=5*14/2 =...

P= 5+14+x = ...

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These questions are really important for me to answer please guys help me
marysya [2.9K]

Answer:

\cos(41 = adj \div hyp

\cos(41)  =  \frac{y}{30cm}

y =  \cos(41)  \times 30

y=29.62017

4 0
2 years ago
Divide $1.30 by 8 and round the quotient to the neatest cent.
jasenka [17]

Answer:

1.30/8 = 0.1625

rounded to nearest cent: 0.2?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
i need help with this i need the area found on the rectangle but ion know how to find it, plzzzz helpppppp!!!!!!!!!!! oh and ple
Ber [7]

Step-by-step explanation:

Tan30=4/adj

adj Tan 30= 4

adj=4/tan30

adj=6.93m

Area=L×b

4×6.93=27.72m

8 0
3 years ago
Which ordered pair represents a solution to both equations?
katrin [286]

Answer:

(-2,1)

Step-by-step explanation:

The solution is where the two equations/lines intersect, which is at (-2,1)

7 0
2 years ago
The expression 1.01 ⋅ 1.00 5 t 1.01⋅1.005 t 1, point, 01, dot, 1, point, 005, start superscript, t, end superscript gives the am
Nadya [2.5K]

Answer:

Step-by-step explanation:

The expression 1.01-1.005 gives the amount of money, in thousands of dollars, in Carter's savings account t years after he opens it What does 1.01 represent in this expression? Choose 1 answer Carter opened the savings account I year ago ⓢ Carter's savings account had $1,010 in it when he opened it. The amount of money in Carter's savings account increase by 1% each year.

1.01 ( 1.005 )^t

standard exponential equation is

y = a (b)^x

where a = initial value

comparing the two equations

we get

a = 1.01

so, it means 1.01 means Carters saving account had $ 1010 in it when it opened

6 0
3 years ago
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