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valentinak56 [21]
3 years ago
15

Middle school algebra 1

Mathematics
1 answer:
zhuklara [117]3 years ago
6 0

HOW IS THIS MIDDLE SCHOOL ALGEBRA 1!??? I'm a senior in highschool and i have NEVER seen smthg THIS difficult for a middle schooler...

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300=x^2+15x what is x?
Vlada [557]

Answer:

x = -26.3746, 11.3746

Step-by-step explanation:

Easiest and fastest way to solve for <em>x</em> is to graph x² + 15x - 300 and analyze where the graph crosses the x-axis.

Alternatively, you can use the Quadratic Formula to help solve for <em>x</em>.

6 0
3 years ago
14. The cost of 10 dozen of caps is Rs.800. How many caps can bebought for Rs.200.​
lesantik [10]

Answer:

<u>3</u><u>0</u><u> </u><u>caps</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>bought</u>

Step-by-step explanation:

{ \sf{Rs.800 = (10 \times 12) \: caps}} \\ { \sf{Rs.200 = ( \frac{200 \times 10 \times 12}{800})  \: caps}} \\  \\ { \sf{ = 30 \: caps}}

5 0
3 years ago
I’LL MARK YOU BRAINLIEST PLS HELP<br><br> What statement is true about segment AB?
chubhunter [2.5K]

Answer:

First statement is correct

Step-by-step explanation:

Segment AB is tangent to circle C because 3^2 +4^2 =5^2

6 0
3 years ago
Two equations are given below: m + 4n = 8 m = n - 2 What is the Solution ?
Sophie [7]
M+4n=8
m=n-2
we see that m=n-2
so we can subsitute 'n-2' for m in the first equation
(n-2)+4n=8
n-2+4n=8
5n-2=8
add 2 to both sides
5n=10
divide by 5
n=2
subsitute
n=2
m=n-2
m=2-2
m=0

m=0
n=2

the answer is c. 0,2
7 0
3 years ago
Jada’s sister works in the furniture store. The store bought a table for $200, and sold it for $350. What percent was the mark u
evablogger [386]

Answer:

75%

Step-by-step explanation:

350-200=150

150 is 75% of 200

7 0
3 years ago
Read 2 more answers
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