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Jet001 [13]
2 years ago
12

Find the value of y.y^2=169

Mathematics
1 answer:
wel2 years ago
8 0

y^2=169

y = √169

y = + / - 13

Answer

y = -13 or y = 13

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A garden is going to be built in the city park in the shape of a parallelogram with a rectangular walkway through it. The garden
Natali [406]

Answer:

78*78+30*30+20*20+72

7456

Step-by-step explanation:

6 0
2 years ago
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Which of the following is an arithmetic sequence?–20, –25, –30, –35, –45, ...
timurjin [86]
B) -15.6,-12.9,-10.2,-7.5,-4.8

This is an arithmetic sequence. 
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3 years ago
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From base camp, a hiker walks 3.5 miles west and 1.5 miles north. Another hiker walks 2 miles east and 0.5 miles south. To the n
levacccp [35]

Answer:

The hikers are 5.9 miles apart.

Step-by-step explanation:

Let O represents the base camp,

Suppose after walking 3.5 miles west, first hiker's position is A, then after going 1.5 miles north from A his final position is B,

Similarly, after walking 2 miles east, second hiker's position is C then going towards 0.5 miles south his final position is D.

By making the diagram of this situation,

Let D' is the point in the line AB,

Such that, AD' = CD

In triangle BD'D,

BD' = AB + AD' = 1.5 + 0.5 = 2 miles,

DD' = AC = AO + OC = 3.5 + 2 = 5.5 miles,

By Pythagoras theorem,

BD^2 = BD'^2 + DD'^2

BD = \sqrt{2^2 + 5.5^2}=\sqrt{4+30.25}=\sqrt{34.25}\approx 5.9

Hence, the hikers are 5.9 miles apart.

8 0
2 years ago
Need help please thank you
Nookie1986 [14]

Answer:

y = 4x+1

Step-by-step explanation:

7 0
2 years ago
2x — бу = 12<br> х+ 10 = — 9
Serggg [28]

Answer:

x = -19; y = 25/3

Step-by-step explanation:

Step 1: solve the equation with only one variable

Isolate the variable (x)

x + 10 = -9

x = -9 - 10

x = -19

Step 2: input new information into the other equation

If x = -19, then:

2(-19) - 6y = 12

Isolate the variable (y)

-38 - 6y = 12

-6y = 12 + 38

-6y = 50

y = 50 ÷ 6

y = 50/6

Simplify

y = 25/3

5 0
3 years ago
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