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Tamiku [17]
3 years ago
10

Quadrilateral QRST is a square. If the measure of RS is 12x + 5 and QT is 8x + 15. find the value of QR ​

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

35

Step-by-step explanation:

valentina_108 [34]3 years ago
7 0

Answer:

35

Step-by-step explanation:

I got you the answer is 35.

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7. AstudyoftheannualnumberofbreedingpairsofBaldEaglesinMichiganfrom1990-2006,showsthenumberofpairs, E(t), can be represented by
soldier1979 [14.2K]
Well, the give us 1990-2006 as the time period. If you don't know how many years that is and don't feel like counting: 2006-1990=16


Then plug it in the equation t=16
E(t)=204(1.04)t
E(16)=204(1.04)16
E(16)=212.16•16
E(16)=3394.46
6 0
4 years ago
the length of a rectangle is 9 inches more than three times the width. the perimeter is 98 inches. find the length and width
Mars2501 [29]
Here is the equation:

Your goal is to get a number variable

2w+2(3w+9)=98

Solve the parentheses first, namely "w" by itself on one side

2w+6w+18=98

Add common  values

8w+18=98

Minus 18 from both sides

8w+18-18=98-18

It is now

8w=80

Now, divide 80 by 8

80÷8=10

w=10

Lets check:

2(10)+ 2(30+9)=98

20+60+18=98

Which is correct

So that means each side of the width is 10 inches
and each length side is 39 inches

Answer: So that means that width side is 10 inches each and each length side is 39 inches each. 10+10+39+39=98 inches

 
8 0
4 years ago
Jacqueline leaves city a at 2:00 p.m. and drives at a constant speed, traveling west on i-90. she passes city b, 40 mi from city
VARVARA [1.3K]
<span>Ans : Linear functions are those whose graph is a straight line. A linear function has one independent variable and one dependent variable. The independent variable is x ( which is the distance Jacqueline travels ) dependent variable is y ( which is Speed, in mi/h ) Now the equation becomes : Speed (y) = Distance (D) / Time(X). Then the speed at which Jacqueline traveled : y = D/X y = 40/50 = 0.8 mi/minute = 0.8 x 60 = 48 mi/hour. We create a liner function and the two variables are x (Independent, Time) & y (Dependent, Speed). (D) is the coefficient of the independent variable x.</span>
7 0
4 years ago
How to substitute x=-2 and x=5 into 2x^2+6-20=0 to check my work
Komok [63]
First answer (x=-2)
...
(2)[(-2)^2]+6-20
2(4)+6-20
8+6-20
14-20
<em>-6 (answer)
</em><em>
</em><em />Second answer (x=5)
...
(2)[(-5)^2]+6-20
2(25)+6-20
50+6-20
56-20
<em>36 (answer)
</em>Hope this helps!
4 0
4 years ago
Help with these questions
nata0808 [166]
Explaintion is in a file
4 0
3 years ago
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