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Sergeeva-Olga [200]
3 years ago
9

Solve by using substitution. Express your answer as an ordered pair.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
5 0
(7,4) hope that helps!
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PLEASE ANSWER AS SOON AS POSSIBLE WILL GIVE "Brainliest" TO THE FIRST CORRECT PERSON!!!
CaHeK987 [17]

Answer:

17.3

Step-by-step explanation:

area of paralellogram=base x height

height=sin(60) x 4= 2\sqrt{3}

area = 5 x 2\sqrt{3}

        = 10\sqrt{3} = 17.3(to nearest tenth)

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A car owner decides to upgrade from tires with a diameter of 24.3 in to tires with a diameter of 26.1 in. If she doesn't update
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80.speedometer of computer

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3 years ago
Can someone help me solve this pls ? solve |x| + 7 < 4
leonid [27]

Answer:

no solution

Step-by-step explanation:

|x| + 7 < 4

Subtract 7 from each side

|x| + 7-7 < 4-7

|x| < -3

But an absolute value must be greater than or equal to zero

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gtnhenbr [62]
You can use the vertical angles theorem to find the value of x.

2x+84=5x
84=3x
x=28
Now, since <TSV and >PSV are linear pairs, you can add PSV and TSV. To do this, you have to find the value of PSV. 
PSV=5x
x=28, so PSV = 5(28)
PSV=140°.
Now, find TSV.
180°-140°=40°

m<TSV=40°, or B.


5 0
3 years ago
Show that the equation x^3+4x=6 has a solution between 1.1 and 1.2
SVEN [57.7K]

Answer:

see explanation

Step-by-step explanation:

If there is a solution between x = 1.1 and x = 1.2 then there will be a change in sign when the equation is evaluated at the points, indicating the graph has crossed the x- axis, where the solution lies.

Given

x³ + 4x = 6 ( subtract 6 from both sides )

x³ + 4x - 6 = 0 ← in standard form

Evaluating for x = 1.1

(1.1)³ + 4(1.1) - 6

= 1.331 + 4.4 - 6 = - 0.269 ← < 0

Evaluating for x = 1.2

(1.2)³ + 4(1.2) - 6

= 1.728 + 4.8 - 6 = 0.528 ← > 0

Since there is a change in sign the graph has crossed the x-axis from below /   indicating a solution between x = 1.1 and x = 1.2

3 0
3 years ago
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