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marta [7]
3 years ago
13

Please help, will grant brainliest

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
6 0

Answer:-2

Step-by-step explanation:

UNO [17]3 years ago
4 0

Answer:

- 4

Step-by-step explanation:

Substitute k = 3, 4, 5, 6 into the expression and sum the terms.

2(3) - 10 + 2(4) - 10 + 2(5) - 10 + 2(6) - 10

= 6 - 10 + 8 - 10 + 10 - 10 + 12 - 10

= - 4 + (- 2) + 0 + 2

= - 4 - 2 + 0 + 2

= - 4

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3x squared - 5x -7=0
Papessa [141]

The value of x is x=2.57338 and x=−0.906718

<h3>What is equation?</h3>

An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra.

Given:

3x²-5x-7=0

Using the discriminant method,

a = 3, b = -5, and c = -7

x= -b± √b²-4ac / 2a

x= 5 ± √25 + 84/ 6

x= 5± √ 109

Hence, x=2.57338 and x=−0.906718

Learn more about this concept here:

brainly.com/question/24727211

#SPJ1

8 0
2 years ago
PLLZZZ HELP QUICK <br> Answer both please
saw5 [17]

Answer:

The Median is the middle number in the sequence.

Because there is an even amount of numbers, you will get two Medians (32,33). Add them together and divide by two (65/2 = 32.5).

The Median is 32.5.

The Range is the what you get when you subtract the lowest number from the highest number (65 - 29 = 36).

The Range is 36.

<u><em>Hope this helps </em></u>! :)

5 0
4 years ago
Is also sort of math but how do you do celsius since I can't figure out how to do it since I'm American so I've never learned it
sweet [91]
Are you asking how to find the celsius equivalent of fahrenheit?
7 0
3 years ago
Read 2 more answers
Alyssa has 9 bracelets and 11 necklaces.What is the ratio of bracelets to necklaces.
Novosadov [1.4K]

Answer:

bracelets : necklaces

9 : 11  

                 

   

8 0
2 years ago
Kristen needs to earn $320 in commission this week. She earns 8%
muminat
She needs to sell $4,000 worth of merchandise.

If she needs to earn $320, and she earns 8% commission, you’re looking for what 8% of original amount equals $320.

X = original amount
8% = .08
$320 = amount needed

X * .08 = $320.
X = $320/.08
X= $4,000

Kristen needs to sell $4,000 worth of merchandise at an 8% commission rate to earn $320.
3 0
3 years ago
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