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3 years ago

10 POINTS!!! PLEASE HELP!!! WILL GIVE BRAINLIEST!!!

Mathematics

1 answer:

Natalka [10]3 years ago

8 0

Answer:

B is the correct answer please give brainliest

Step-by-step explanation:

i took this test earlier

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286,489 is an odd number.how many times greater is the ten thousand place than the 8 in the tens place ?

jonny [76]

We're comparing 80,000 with 80.

One way to do this is divide the two numbers: 80,000/80 = 1000.

80,000 is one thousand times greater than 80.

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4 years ago

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What is the simplified form of each expression?

White raven [17]

<h2>~<u>Solution</u> :-</h2>

According to the given question, we have to find the simplified form of the given expressions. Here, we have been given;

<h3>★ <u>Equation</u> 1 :-</h3>

$\sf{(6 + 3)2 - 4}$

$\leadsto \sf{(9)2 - 4}$

$\leadsto \sf{18 - 4}$

$\leadsto \bf \red{14}$

Hence, (6 + 3)2 - 4 is equals to 14.

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<h3>★ <u>Equation</u> 2 :-</h3>

$\sf{23 + (14 - 4) \div 2}$

$\leadsto \sf{23 + (10) \div 2}$

$\leadsto \sf{23 + 5}$

$\leadsto \bf \red{28}$

Hence, 23 + (14 - 4) ÷ 2 is equals to 28.

$\\ \\ \\$

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3 years ago

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Round 341,611<br> to the nearest<br> thousand.

EastWind [94]

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One cell phone company offers a plan that costs $25.99 and includes unlimited night and weekend

almond37 [142]

Answer:

Step-by-step explanation:

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3 years ago

Factor 4x^2 + 1x – 13

bulgar [2K]

Answer:

$(x - \frac{\sqrt{209} - 1}{8} )(x - \frac{-1 - \sqrt{209} }{8} )$

Step-by-step explanation:

<u>FACTS TO KNOW BEFORE SOLVING :-</u>

<em>Quadratic Formula :-</em>

Lets say , there's an equation ax² + bx + c.

$=> x = \frac{-b + \sqrt{b^2 - 4ac} }{2a} \: or \: \frac{-b - \sqrt{b^2 - 4ac} }{2a}$

<u>SOLUTION :-</u>

According to the question ,

a (Coefficient of x²) = 4

b (Coefficient of x) = 1

c (constant) = -13

By using quadratic formula ,

$x = \frac{-1 + \sqrt{1^2 - 4 \times 4 \times (-13)} }{2 \times 4} \: or \: \frac{-1 - \sqrt{1^2 - 4 \times 4 \times (-13)} }{2 \times 4}$

$=> x = \frac{-1 + \sqrt{209} }{8} \: or \: \frac{-1 - \sqrt{209} }{8}$

$=> (x - \frac{\sqrt{209} - 1}{8} ) \: and \: (x - \frac{-1 - \sqrt{209} }{8} )$ are the factors of 4x² + x - 13.

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3 years ago