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3 years ago

If rstu is a rhombus, then ___________________.

Mathematics

2 answers:

Bogdan [553]3 years ago

7 0

Answer:

The correct answer is a. it might be a square.

Step-by-step explanation:

This is because a rhombus has 4 equal sides. However, the stipulations on a rhombus have nothing to do with angles.

So there is a chance that the angles are all right angles, which would be a square. However, there is a chance that they are not, which would mean that it isn't.

ollegr [7]3 years ago

3 0

a the side lengths must be = but only opposite angles must be = it COULD be a square but is could be many other things.

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Ln a+3 + ln a-3 = ln 16

Lilit [14]

$\bf log_{{ a}}(xy)\implies log_{{ a}}(x)+log_{{ a}}(y)\\\\
and\qquad \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
ln(a+3)+ln(a-3)=ln(16)\implies ln[(a+3)(a-3)]=ln(16)
\\\\\\
ln[a^2-3^2]=ln(16)\impliedby \textit{removing ln() from both sides}
\\\\\\
a^2-9=16\implies a^2=16+9\implies a^2=25
\\\\\\
a=\pm\sqrt{25}\implies a=\pm 5$

7 0

3 years ago

A shop sells 3 different types of tea

lys-0071 [83]

Answer:

The cheapest is the Kenyan tea which costs £1.05 for each 100g.

Step-by-step explanation:

200 g of Kenyan tea costs £2.10

1. Calculate the rate of each gram, by dividing 2.10/200

0.0105 x 100 = £1.05 for each 100g

300 g of Columbian tea costs £3.45

1. Calculate the rate of each gram, by dividing 3.45/300

0.0115 x 100 = £1.15 for each 100g

1. Calculate the rate of each gram, by dividing 1.70/150

150 g of Indian tea costs £1.70

0.01133333333 x 100 = £1.133333333 for each 100g

B) The cheapest is the Kenyan tea which costs £1.05 for each 100g.

8 0

3 years ago

At Southtown High school the number of students in band is 1 3/4 times the number in orchestra. If 56 students are in orchestra,

NeTakaya

Answer:

Step-by-step explanation:

56 x 1 3/4

56 x 1.75 = 98

8 0

2 years ago

What is 4(x−2+y)? I need help.

stepladder [879]

4x+4y-8

Hope this helps!

7 0

3 years ago

Word form 952.374 pls help

lara [203]

Answer:

WORD from the 2.O

Step-by-step explanation:

4 0

3 years ago