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3 years ago

Please help!! The solution of the equation is x = ? .

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

5 0

Answer:

as below

Step-by-step explanation:

$\frac{2}{7}$ = $\frac{6x}{4x + 17}$

2(4x + 17) = 7(6x)

8x +34 = 42x

34 = 42x-8x

34 = 34x

$\frac{34}{34}$ = x

1 =x :)

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Which expression is equivalent to -7- (-2.5)?

Ket [755]

Answer: none
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Which would mean none were equivalent, but if i do it by hand then the answer would be -17.5; again none would be equivalent.
But the closest one is -2.5-7, because it equals 4.5 rather than -4.5

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2 years ago

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3 years ago

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Quickkkkk Which number sentence is true?

creativ13 [48]

Answer:

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Step-by-step explanation:

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4 years ago

Chana and Josiah started skating at the same time in the same direction, but Josiah had a head start 10 meters past the starting

kodGreya [7K]

Josiah and Chana travel at constant and different speeds.

The point F indicates that after 25 seconds Josiah is 60 meters from the starting line but behind Chana

<h3>How can the what the the point F represent be known?</h3>

Josiah's head start = 10 meters from the start

Josiah's speed = 2 m/s

Chana's speed = 3 m/s

Expressing the distance traveled as an equation, we have;

D = d + s × t

Where;

D = The distance covered

d = The distance from the starting line the runner starts

s = The speed of the runner

t = The time spent running

For Josiah, we have;

D = 10 + 2•t (line a)

For Chana, we have;

D = 0 + 3•t = 3•t (line b)

The above equations are straight line equations.

The point F is on line a, which shows Josiah distance after 25 seconds which is 60 meters. The corresponding point on line b, Chana's distance after 25 minutes is 75 meters.

Therefore;

The point F indicates that after 25 seconds Josiah is 60 meters from the starting line but behind Chana

Learn more about straight line equations here:

https://brainly.in/question/16254550

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2 years ago

Copy the problems onto your paper, mark the given and prove the statements asked. Prove, triangle CAV is congruent to triangle C

lys-0071 [83]

Quadrilateral is a family of plane shapes that have four straight sides. Thus the sum of their internal angles is $360^{o}$ . Examples include rectangle, square, rhombus, trapezium, and kite.

A kite is a plane shape that has its adjacent sides to have equal measures.

The given diagram in the question is a kite that has its specific properties compared to other quadrilaterals.

Thus, the required proof is stated below:

Given: ΔCAV and ΔCEV

Prove that: ΔCAV ≅ ΔCEV

Then,

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<ACV ≅ <ECV (bisected property of a given angle)

<AVC ≅ <EVC (bisected property of a given angle)

CV is a common side to ΔCAV and ΔCEV

Therefore it can be deduced that;

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For more clarifications on the properties of a kite, visit: brainly.com/question/2918354

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2 years ago