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2 years ago

−1/2(7z+4)+15(5z−15) =

Mathematics

2 answers:

pentagon [3]2 years ago

6 0

There you go! that’s how you enter it

pishuonlain [190]2 years ago

5 0

Answer:

Step-by-step explanation:

your momhrhrhfhfjhfif

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Please I'm in urgent need of help. what must be added to make (1/4)x^2-(2/3)xy a perfect square?.

Ipatiy [6.2K]

Answer:

$\bigg(\frac{2}{3} {y} \bigg)^{2}$

STEP BY STEP EXPLANATION

$\frac{1}{4} {x}^{2} - \bigg( \frac{2}{3} \bigg)xy \\ \\ = \bigg(\frac{1}{2} {x} \bigg)^{2} - 2. \bigg(\frac{1}{2} {x} \bigg)\bigg( \frac{2}{3} y \bigg ) + \bigg(\frac{2}{3} {y} \bigg)^{2} \\ \\ = \bigg(\frac{1}{2} {x} - \frac{2}{3} y\bigg)^{2} \\$

To make $\red{\bold{\frac{1}{4} {x}^{2} - \bigg( \frac{2}{3} \bigg)xy}}$ a perfect square we should add $\purple{\bold{\bigg(\frac{2}{3} {y} \bigg)^{2}}}$

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2 years ago

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What do you notice about the angles formed when two parallel lines are cut by transversal

Natali5045456 [20]

If two parallel lines are cut by a transversal, then each pair of consecutive interior angles is supplementary.

If two parallel lines are cut by a transversal, then each pair of alternate exterior angles is congruent.

If two parallel lines are cut by a transversal, then each pair of alternate interior angles is congruent.

If two parallel lines are cut by the transversal, then each pair of corresponding angles is congruent.

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3 years ago

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Lynna [10]

Answer:

ammm sige and I will be back from tomorrow so I'll be in the leader of my class

Step-by-step explanation:

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2 years ago

What is the monthly payment for $280000 mortgage with an interest of 6% compounded monthly for 20 years?

Snezhnost [94]

The formula of the present value of an annuity ordinary is
Pv=pmt [(1-(1+r/k)^(-kn))÷(r/k)]
Pv present value 280000
PMT monthly payment?
R interest rate 0.06
K compounded monthly 12
N time 20 years
Solve the formula for PMT
PMT=pv÷[(1-(1+r/k)^(-kn))÷(r/k)]
PMT=280,000÷((1−(1+0.06÷12)^(
−12×20))÷(0.06÷12))
=2,006.01

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3 years ago

Find the area of the circle. Round your answer to the nearest hundredth.<br> 00<br> 3 in.

MAXImum [283]

Answer:

Step-by-step explanation:300

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3 years ago