2 years ago

I need help with this question

Mathematics

1 answer:

kap26 [50]2 years ago

5 0

Answer:

the answer is attached to the picture

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Solve by elimination: 2x + 4y = 34 x+4y = 27 A (7,-5) B (6,6) (7,5) (5,7)

julsineya [31]

Answer:

(7,5)

Step-by-step explanation:

{2x + 4y = 34

{4y = 27 - x

2x + 27 - x = 34

x=7

4y = 27 - 7

y = 5 so the answer is ( 7,5)

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2 years ago

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I need to collect 30 stickers. Each bag of crisps contains 3 stickers. How many bags will I need to buy?

soldier1979 [14.2K]

Hey there :)

Let p represent the number of bags to be bought

We need to collect 30 stickers and each bag has 3 stickers

3p = 30
↑ ↑
Number of stickers in a bad Number of stickers to be collected

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p = 10

We need to buy 10 bags of crisps to have 30 stickers

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3 years ago

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Use the functions h(x) = 2x + 5 and t(x) = 7x − 6 to complete the function operations listed below.

wlad13 [49]

We have to use the functions:
h ( x ) = 2 x + 5 and t ( x ) = 7 x - 6
Part A:
( h + t ) ( x ) = ( 2 x + 5 ) + ( 7 x - 6 ) = 9 x - 1
Part B :
( h · t ) ( x ) = ( 2 x + 5 ) · ( 7 x - 6 ) = 14 x² - 12 x + 35 x - 30 =
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Part C :
h [ t ( x ) ] = h ( 7 x - 6 ) = 2 · ( 7 x - 6 ) + 5 = 14 x - 12 + 5 =
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2 years ago

Write two different pairs f decimals whose sums are 14.1. One pair should involve regrouping.

AnnyKZ [126]

Two decimals
8.4
5.7
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vfiekz [6]

C is the answer to your question

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2 years ago