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irina1246 [14]
3 years ago
7

What is the area of the triangle? _________ m2

Mathematics
1 answer:
OleMash [197]3 years ago
5 0
The answer is 120 the formula base*height / 2 multiply 10*24=240 now 240 is from a square but the triangle is the half of the square so we divide by 2 240/2=120<span />
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Convert 15 km per hour to meters per second
ipn [44]
1km = 1000m
1hr = 3600sec

Do proportions:
1km / 1000m = 15km / x
15000m = x

1hr = 3600sec

15000/3600 = 4.2m per second
Choice 4


6 0
3 years ago
−8.5x + 0.36 = −3.04
erma4kov [3.2K]
X= 0.4

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4 0
3 years ago
X(x+1)-1=4<br> ---<br> please help stuck on this question
Sloan [31]

Answer:

x=2

Step-by-step explanation:

use distributive property: x^2+2x-1=4

remove the -1 by adding 1 on both sides: x^2+2x=5

use the guadratic fromula:  ax²+bx+c=0

plug in the equation x^2+2x-5=0

a,b and c are the coefficients to plug into the formula

a=1, b=2, c=-1

Finally, you will find that x=2

8 0
2 years ago
Read 2 more answers
Jane is saving to buy a cell phone. She is given a $100 gift to start and saves me
Dmitriy789 [7]

Answer:

See explanation

Step-by-step explanation:

Jane is given a $100 gift to start and saves $35 a month from her allowance.

  • After 1 month, Jane has saved \$100+\$35=\$135;
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  • After three months, Jane has saved \$100+3\cdot \$35=\$205;
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In general, after x months Jane has saved

\$100+x\cdot \$35=\$(100+35x).

This means that it makes sense to represent the relationship between the amount saved and the number of months with one constant rate (in this case the constant rate is 35). It makes sense because the amount of money increases by $35 each month. Since the amount of increase is constant, we get constant rate. Also the initial amount is known ($100), so there is a possibility to write the equation of linear function representing this situation.

7 0
3 years ago
I help I’ve been stuck on this one
nlexa [21]

202 + 156 = 358
500 - 358 = 142
the answer is A. 142
7 0
3 years ago
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