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3 years ago

6 + XE -

Mathematics

1 answer:

vova2212 [387]3 years ago

7 0

what is this***???is this a question ..

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What is the factored form of the expression 144x2 - 49?

PIT_PIT [208]

Answer:

Step-by-step explanation:

Difference of squares: (a^2 - b^2) = (a - b)(a + b)

(144x^2 - 49) = (12x - 7) (12x + 7)

6 0

2 years ago

Read 2 more answers

while shopping for clothes, Tracey spent 38$ less than 3 times what Daniel spent. write and solve an equation to find how much D

alexandr1967 [171]

$\bold{\huge{\orange{\underline{Solution}}}}$

$\bold{\underline{ Given :- }}$

While shopping for clothes Tracey spent 38$ less than 3 times of what Daniel spent

$\bold{\underline{ To\: Find :- }}$

We have to determine the total cost spent by daniel

$\bold{\underline{ Let's \: Begin :- }}$

Cost spent by Tracey for her clothes = 38$

Let assume the spending by Daniel is x

$\bold{\underline{Therefore ,}}$

$\sf{ x / 3 = 38 }$

$\sf{ x = 38 × 3 }$

$\sf{ x = 114 dollar }$

$\sf{\red{ Hence,\: Daniel\: spent\: 114 \: dollars\: on \: His\: clothes }}$

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2 years ago

10th grade geometry ASAP PLZ HELP

iogann1982 [59]

Angles in a line = 180
180-165 = 15 degrees

15 + 45 + ? = 180
60 + ? = 180
? = 120

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2 years ago

What is the estimate of 11,942

ki77a [65]

Answer:

10000 (1sf)

12000(2sf)

11900(3sf)

11940(4sf)

Step-by-step explanation:

I would go for 12000 (2sf) if it the degree of accuracy isn't specified in the question

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3 years ago

What are the roots of 2x^2+10×-48=0

mojhsa [17]

X=-8,3.
divide all terms by the two in the first term to get x^2+5x-24=0. Then find the factors. To do so, find what two numbers can be multiplied to get 24, and whether those two numbers can be added or subtracted to get the middle term (5). Since 8x(-3)=24 and 8-3=5, (x+8) and (x-3) are the factors. Then set the factors equal to zero. Add or subtract these numbers to the other side of the equation and you then get x=-8,3. These are the roots.

8 0

3 years ago