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lyudmila [28]
4 years ago
11

HELP ME ITS DUE TOMORROW (15 points)

Mathematics
2 answers:
Aleks [24]4 years ago
7 0
35 hope this helps :)))
Lisa [10]4 years ago
4 0
The answer to that equation is y=35
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Translate the phrase into a variable expression.
Viktor [21]

"the product of" ⇒ ___ * ___

86 ⇒ 86 . . . . . fills first blank

and

the depth of the river ⇒ d . . . . . fills second blank.

Your expression is

86 * d

4 0
4 years ago
How do you substitute 7x+2y=-19 and -x+2y=21
Kitty [74]
Steps:
1. Take -x + 2y= 21
2. Add x on both sides
2y= x + 21
3. Divide everything by 2
Y= 1/2x + 10.5
4. Substitute the y in 7x + 2y= -19 for 1/2x + 10.5
7x + 2(1/2x + 10.5)= -19
5. Multiply everything in parentheses
7x + x + 21= -19
8x + 21= -19
6. Subtract 21 on both sides
7. 8x=-40
8. Divide each side be 8
9. Your answer is
X=-5
8 0
4 years ago
Read 2 more answers
Factor x2 – 8x + 15.<br><br> Which pair of numbers has a product of ac and a sum of b?
vichka [17]

Answer:

(x - 5)(x - 3)

Step-by-step explanation:

{x}^{2}  - 8x + 15 \\   = {x}^{2}  - 5x - 3x + 15 \\   = x(x  -  5) - 3(x - 5) \\  = (x - 5)(x - 3) \\  \\ ac = ( - 5) (- 3) = 15 \\ a + c =  - 5 - 3 =  - 8

8 0
4 years ago
Chord AC intersects chord BD at point P in circle Z.
Sliva [168]
1. To solve this exercise, you must use the "Intersecting chords theorem".

2. You have that:

AP=3.5 in
PC=6 in
DP=4 in

3. Then, by applying the "Intersecting chord theorem", you have:

(AP)(PC)=(BP)(DP)

4. When you substitute the values into (AP)(PC)=(BP)(DP), you obtain:

(3.5 in)(6 in)/BP(4 in)

5. Now, you must clear BP. Then:

(3.5 in)(6 in)/4 in=BP
21 in^2/4 in=BP

6. Therefore, the value of BP is:

BP=5.25 in
7 0
4 years ago
Read 2 more answers
1. Jorge 5 miles every 6 hours Jorge 20 Distance (mi) 10 20 10 Time (h​
dusya [7]

In 30 hours he will go 25 miles and you can divide by 3 to get ten hours

25/3= 8.33333333 so on so on.

5 0
4 years ago
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