2 years ago

Initial Knowledge Check

Mathematics

1 answer:

Cloud [144]2 years ago

5 0

Answer:

I believe it would be five dollars since if you divide the price with the percentage yknow

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twenty students went to a fast food restaurant everyone ordered a hamburger and a drink hamburgers cost 3.25 each and drinks cos

Natali5045456 [20]

Answer:

g fggggerbhyujgtvfrdc

Step-by-step explanation:

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2 years ago

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De║bc, ad=2cm and bd=3cm, then area(Δabc):area(Δade) is equal to

xxTIMURxx [149]

Answer:

B.2:3

Step-by-step explanation:

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2 years ago

Can you help me to solve this

Ber [7]

Answer:

$\frac{4a-2}{2a+1}$

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

= (2a + 1)²

Thus

$\frac{8a^2-2}{4a^2+4a+1}$

= $\frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)}$ ← cancel (2a + 1) on numerator/ denominator

= $\frac{2(2a-1)}{2a+1}$

= $\frac{4a-2}{2a+1}$

3 0

2 years ago

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Write an explicit and a recursive formula for the sequence. 3, 10, 17, 24, 31,

malfutka [58]

i believe the answer would than have to be 17,24,31,45,52

6 0

3 years ago

A sporting goods sold 2.5 times as many football as basketball last year drag footballs to represent the number of football sold

arlik [135]

Answer:

5 footballs were sold for every 2 basketballs sold.

Step-by-step explanation:

2.5 times as many football as basketball was sold last year

This can be represented as

1 basket ball sold = 2.5 footballs sold

for every 2 basketball sold, number of football sold = 2.5 x 2 = 5 footballs

4 0

2 years ago