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Citrus2011 [14]
3 years ago
12

Hello can somebody help me with this

Mathematics
2 answers:
garik1379 [7]3 years ago
5 0

Answer:

b

Step-by-step explanation:

Sladkaya [172]3 years ago
3 0

Answer:A

Step-by-step explanation: We use the 56. 56 should be above x therefore the 180-56 = 124 making the answer A 124.

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Solve this system of linear equations. Separate
AleksAgata [21]

15x=-42-19y

  • 15x+19y+42=0-(1)

3x=-54-19y

  • 3x+19y+54=0--(2)

Subtract both

  • 12x-12=0
  • 12x=12
  • x=1

Put in second

  • 3(1)+19y+54=0
  • 19y+57=0
  • y=-3

So

  • (x,y)=(1,-3)
4 0
2 years ago
Read 2 more answers
PLEASE HELP IM SO CONFUSED!
Andrew [12]
X - 10 = -18
x = -8
ur just solving for x
6 0
3 years ago
Read 2 more answers
a circle pizza with a diameter of 10 inches. The pizza is in a square box with side lengths of 14 inches. In square inches, how
julsineya [31]

Answer:

117.45 in^2

Step-by-step explanation:

Given data

Diameter of pizza= 10in

Radius of pizza=10/2=  5in

Lenght of pizza box= 14in

Area of pizza= πr^2

A= 3.142*5^2

A= 3.142*25

A= 78.55 in^2

Area of pizza box= L^2

A= 14^2

A= 196 in^2

Hence the empty space is

=196-78.55

=117.45 in^2

5 0
3 years ago
Solve for z.<br><br> –2.9 + 4.2z = –14.73 − 12.74 + 0.3z<br><br> z =
Kobotan [32]

Answer:

\boxed{z = -6.3}

Step-by-step explanation:

=  >  - 2.9 + 4.2z =  - 14.73 - 12.74 + 0.3z \\  \\  =  >  - 2.9 + 4.2z =  - 27.47 + 0.3z \\  \\  =  > 4.2z - 2.9 =  0.3z - 27.47 \\  \\  =  > 4.2z - 0.3z - 2.9 =  - 27.47 \\  \\  =  > 3.9z =  - 27.47 + 2.9 \\  \\  =  > 3.9z =  - 24.57 \\  \\  =  > z =  -  \frac{24.57}{3.9}  \\  \\  =  > z =  - 6.3

4 0
3 years ago
Investments Suppose that you have $4000 to invest and you invest x dollars at 10% and the remainder at 896, write expressions in
Darina [25.2K]

Answer:

Step-by-step explanation:

you have $4000 to invest and you invest x dollars at 10% and the remainder at 8℅.

a) an expression in x that represent the amount invested at 8% is

4000 - x

b) The The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time in years

I = interest after t years

From the information given

P = $x

R = 10%

Assuming the investment is for 1 year, then interest,

I = (x × 10 × 1)/100

I = $0.1x

c) P = 4000 - x

R = 8℅

I = [(4000 - x) × 8 × 1)]/100

I = (32000 - 8x)/100

I = 320 - 0.08x

d) the total interest earned is

I = 0.1x + 320 - 0.08x

I = 0.02x + 320

6 0
4 years ago
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