A) 9cm B) 12cm C) 15cm D) 36cm

Mathematics

1 answer:

mote1985 [20]1 year ago

5 0

Answer:

9 cm

Step-by-step explanation:

It say ΔLMN and Δ PQR is equal

Therefore, LN is 9 cm Then PQ is 9 cm Too.

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Solve for −4.2y+2.1>−2.52

Alchen [17]

Answer:

y < 1.1

Step-by-step explanation:

Step 1: Subtract 2.1 from both sides

-4.2y + 2.1 - 2.1 > -2.52 - 2.1

-4.2y > -4.62

Step 2: Divide both sides by -4.2

-4.2y / -4.2 > -4.62 / -4.2

Since you divided by a negative, that flips the sign.

y < 1.1

Answer: y < 1.1

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2 years ago

Find two consecutive even numbers such that the difference of one-half the larger and two-fifths the smaller is equal to 38

expeople1 [14]

EXPLANATION

The consecutive even numbers are
$370 \: and \: 372$

EXPLANATION

Let
$x$
be the first even number then, the next even number will be,

$x + 2$

The difference of one-half the larger one and two-fifth the smaller one is 38 gives the equation,

$\frac{1}{2} (x + 2) - \frac{2}{5} x = 38$

We multiply through with an LCM of 10 to get,

$10 \times \frac{1}{2} (x + 2) - 10 \times \frac{2}{5} x = 38 \times 10$

This simplifies to,

$5(x + 2) - 4x = 380$

We expand the brackets to get,

$5x + 10 - 4x = 380$

We group like terms to get,

$5x - 4x = 380 - 10$

This simplifies to
$x = 370$

Therefore the next even number is is
$372$

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2 years ago

a bank loaned out $18,000 part of it at the rate of 7% per year and the rest at 15% per year. if the interest received in one ye

alexdok [17]

I think it’s 2,000 but again I could be wrong I need like the options

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2 years ago

Solve the inequality: -2 (2x - 4) < 4(2 - x).

stira [4]

Answer: There is no solution

Step-by-step explanation:

$You would need something to plug in the x points