4 years ago

I need help with equation number 6

Mathematics

1 answer:

Leona [35]4 years ago

8 0

Combine like terms
-2x-4=-2x-4

Since the equations are the same, the answer is infinitely many solutions.

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(b) Jac thinks of a number,<br> 25% of his number is 35.<br> What is 1/10 of Jac's number?

MaRussiya [10]

Answer:

Step-by-step explanation:

35 = 25%

35(4) = 100%

140 = 100%

140 x .10 = 10%

14 = 10%

8 0

3 years ago

Okay so last time my file did not show up so lets try again

goldenfox [79]

Answer:

you are correct

Step-by-step explanation:

5 - 2(x + 2)

Since parenthesis comes first in PEMDAS, distribute 2

5 - 2x - 4 = 1 - 2x

3 0

3 years ago

Work out the area of triangle ABC.

SVETLANKA909090 [29]

Answer:

4 cm²

Step-by-step explanation:

Area = ½.bh

b = base (cm²)

h = perpendicular height, i.e. BD (cm²)

$h^{2} = (2 \sqrt{5} )^{2} - (3 \sqrt{2} )^{2} \\ {h}^{2} = 20 - 18 \\ {h}^{2} = 2 \\ h \: = \sqrt{2}$

$b \: = 3\sqrt{2} + \sqrt{2} \\ b \: = 4 \sqrt{2}$

$Area \: = \frac{1}{2} .(4 \sqrt{2} )( \sqrt{2} ) \\ Area \: =4$

6 0

3 years ago

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What is −1280 as a decimal?

Alex73 [517]

Answer:

-1280.0

Step-by-step explanation:

It is a whole number

if you want to show it as a decimal,

put ' .0 ' at the end of the whole number. That is,

=> -1280.0

6 0

3 years ago

Help pls i don't know how to do it

Marina CMI [18]

Answer:

y=5x-8

Step-by-step explanation:

Slope=m=(7-3)/(3-2)

y=5x+b=>2=5*2+c=>c=-8

So y=5x-8

7 0

3 years ago

Read 2 more answers