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VARVARA [1.3K]
3 years ago
14

PLSS!!! HELP ME!! I WILL MARK U!!!

Mathematics
2 answers:
Fantom [35]3 years ago
8 0

Answer:

i will

Step-by-step explanation:

Vedmedyk [2.9K]3 years ago
5 0

Answer:

10

Step-by-step explanation:

14-4(a-b)^2

14-4(2-3)^2

14-4(-1)^2

14-4*1

14-4

10

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Helpppppppppppppphxhxhxhxhx
pychu [463]

Answer:

C  \frac{48}{70}

Step-by-step explanation:

Option C - \frac{48}{70} is incorrect because when multiplying the numerator and denominator of the fraction \frac{7}{10} by 7, you’re suppose to get \frac{49}{70}.

4 0
3 years ago
HELP ASAP THIS IS GEOMETRY
tekilochka [14]

Answer:

x=48

y=70

step by step explanation:

In the question,

<em>Si</em><em>nce</em><em> </em><em>the</em><em> </em><em>trian</em><em>gle</em><em> </em><em>two</em><em> </em><em>sides</em><em> of</em><em> the</em><em> </em><em>traingl</em><em>e</em><em> </em><em>is</em><em> </em><em>equal</em><em>,</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>an</em><em> </em><em>isosc</em><em>eles</em><em> </em><em>triangle</em><em>.</em>

<em>For</em><em> </em><em>an</em><em> </em><em>isosc</em><em>eles</em><em> triangle</em><em>,</em><em> </em><em>angles </em><em>oppos</em><em>ite</em><em> </em><em>to</em><em> </em><em>eq</em><em>ual</em><em> </em><em>sides</em><em> </em><em>are</em><em> </em><em>equal</em><em>,</em>

<em>Hence</em><em>,</em>

(x + 7) = 55

x = 55 - 7

x = 48

y = 180 - (55 + 55)

y = 180- 110

y = 70

3 0
3 years ago
The time period, T, of a simple pendulum is directly proportional to the square root of the length, d, of the pendulum.
bearhunter [10]

Answer: T= 3.54

Step-by-step explanation:

Step 1

Given that

The time period, T, s doirectly proportional  to the square root of the length, d, of the pendulum, we have that

T  ∝  \sqrt{d}

Introducing the constant of proportionality, we have that

T= K\sqrt{d}.

Step 2

When d=6, T=5, K =?

T= K\sqrt{d}.

5 = k\sqrt{6}

5=  k x 2.44949

k =5/2.44949

k =2.041

Therefore, when d = 3 , T= ?

T= K\sqrt{d}

T= 2.041 x \sqrt{3}

T= 3.53511≈ 3.54

4 0
3 years ago
ali sorced 66 and 72 marks respectively. for his two tests what is the lowest marks he must have sorced for his third test if an
dimaraw [331]

Answer:

87

Step-by-step explanation:

66 + 72 + 87 = 225

225 / 3 = 75

6 0
2 years ago
which of the following pairs of lines are perpendicular? select all that apply A y=2/3x+4 and y=2/3x-8 B y=2/3x-8 and y=-3/2x-8
jasenka [17]

Its B, C, E, F because for B the neg reciprocal of 1 is -1

6 0
3 years ago
Read 2 more answers
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