3 years ago

What shape is sometimes a rhombus

Mathematics

1 answer:

shtirl [24]3 years ago

6 0

Answer:

Step-by-step explanation:

definition of a rhombus is that each side is congruent and has 2 sets of parallel sides. and definition of w parallelogram is just two sets of parallel sides meaning a rhombus can be a parallelogram

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Katie is selling lemonade for $1.50 per cup. She decides to put them on sale for $0.90. What percent discount did she give on he

Colt1911 [192]

Answer:

40%

Step-by-step explanation:

1.50 - 0.90 = 0.60

0.60 cents are saved.

$\frac{0.60}{1.50} = 0.4$

0.4 = 40%

hope this helps :)

8 0

2 years ago

Find the solution set for this equation:<br> -a2+4a=0<br> (Separate the two values with a comma)

Rashid [163]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \: \{ 0,4 \}$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: - {a}^{2} + 4a = 0$

$\qquad \tt \rightarrow \: - ( {a}^{2} - 4a) = 0$

$\qquad \tt \rightarrow \: {a}^{2} - 4a = 0$

$\qquad \tt \rightarrow \:a(a - 4) = 0$

The two cases are :

a = 0

a -4 = 0, that leads to a = 4

We can conclude :

$\qquad \tt \rightarrow \:solution \: (a) = \{ 0,4\}$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

5 0

2 years ago

Read 2 more answers

Will mark brainliest for correct answer, due soon!

Rus_ich [418]

circumference = pi*d

70cm*pi = 219.8cm

219.8cm × 240 rev = 52752 cm

52752cm/100 = 528m

4 0

3 years ago

Juanita says that 3.5[4d - (2) (1.5)] and 2[7d - (5)(1.05)] are equivalent. Is Juanita correct? Explain your reasoning.

valkas [14]

Answer:

Yes

Step-by-step explanation:

3.5 [4d - 2*1.5] = 3.5*4d - 3.5*2*1.5

= 14d - 10.5

2*[7d - 5*1.05] = 2*7d - 2*5*1.05

= 14d - 10.5

When we are simplifying both the expression using distributive property, we get the same expression at the end.

8 0

3 years ago

Please help me find the x

xxTIMURxx [149]

Answer:

x=2

bd/ba=be/bc

6/6+4=x+1/x+1+x

6/10=x+1/2x+1

12x+6=10x+10

12X-10X=10-6

2X=4

X=4÷2=2

5 0

3 years ago

Read 2 more answers