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Vikentia [17]
3 years ago
9

1) 4x - 3y=3x+3y= 12​

Mathematics
2 answers:
evablogger [386]3 years ago
6 0

Answer:

x & y = 3. Just plug the numbers in, and the equation is true.

swat323 years ago
4 0
X and Y are 2 because u have to multiply 4 plus 3 divided by 12
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What is the area of the rhombus shown below? AC=17 BD=15 AB=11.2 Answers: A. 255 square units B. 190.4 square units C. 16 square
Lena [83]

Answer:

D. 127.5 square units

Step-by-step explanation:

AC=17

BD=15

AB=11.5

Diagonal (1&2) are given, base of the rhombus is also given.

Height is not given

Area of a rhombus given the diagonals

=1/2×d1×d2

Where,

d1=AC=17

d2=BD=15

Area of a rhombus=1/2×d1×d2

=1/2×17*15

=1/2×255

=127.5

D. 127.5 square units

4 0
3 years ago
If 0° ≤ θ ≤ 90° and cosθ = 11/15 , what is the value of sin (90° - θ)?
igor_vitrenko [27]
11/15=0.7333
cos^{-1}(0.7333) =42.83342
sin(90-47.166572) = 0.7333

first, find the numeric value for 11/15
second to find theta, simply do the <em>inverse</em> cos (which is cos^-1) of the first answer.
now you know theta, just do the sin of 90 - theta and that's it!

since you know whatr cos(theta) is, you just take the inverse cos of that number to get theta and 'reverse' cos, essentially. you are just solving for theta, by reversing the cos function with cos^-1
please mark as brainliest!
7 0
3 years ago
Read 2 more answers
Your round-trip drive to school is 3710 miles. How many miles do you drive to and from school in 5 days?
Anit [1.1K]

Answer:

Read below.

Step-by-step explanation:

If you include going back home, then its

3710 miles × 5 days =

<u>18,550 miles</u>

If you don't include going back home, then it's

3710 miles ÷ 2 × 5 days =

1855 miles × 5 days =

<u>9,275 miles</u>

6 0
3 years ago
what is the slope of the line that passes through the point (-20,18) and (30,14)? a-25/2 b -5/2 c-2/5 d -2/25
lyudmila [28]

Answer: A: -25/2

Step-by-step explanation:

4 0
3 years ago
A) How many books were sold after 8 months?
irakobra [83]

Maybe if you put a picture I could help you out
4 0
3 years ago
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