3 years ago

I need to find the area. (please help me quick & the answer and explanation plz) POINTS: 15! please give real answers!!!!

Mathematics

2 answers:

Mariulka [41]3 years ago

7 0

A=1/2+base x height hope I helped

Rufina [12.5K]3 years ago

6 0

Area of triangle= 1/2 x Base x H

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FAST ASAP!! WILL GIVE BRAINLIST ALOT OF POINTS

Alik [6]

Answer:

= 3 3/4 m^2

or 15/4 m^2

Step-by-step explanation:

The base is the triangle.

A =1/2 bh

A = 1/2 (3 1/3 * 9/4)

Change 3 1/3 to an improper fraction (3*3+1)/3 = 10/3

A = 1/2 * 10/3 *9/4

Re arranging

= 1/2* 9/3 * 10/4

= 1/2 (3) 5/2

=15/4

Now writing as a mixed number

= 3 3/4 m^2

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3 years ago

Cory borrows $1,200 from the bank for riding lawn mower. The interest rate Is 8% per year. How much simple interest will he pay

rjkz [21]

Answer:

$1,392

Step-by-step explanation:

1,200(0.08)(2) = 192

1,200 + 192 = $1,392

5 0

3 years ago

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Manny’s sister bought school supplies that totaled $457. After a coupon, the total came down to $418. Which equation shows how t

kompoz [17]

Answer:

if you are subtracting then you would : 457-418=39

4 0

3 years ago

Figure B is a Scaled Copy of Figure A. What is the scale factor from Figure A to Figure B? *

AVprozaik [17]

So B is 6x bigger than figure A and A is only half the size of B

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3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%2F7%7D%7B7%5Csqrt%7B10%7D%2F2%20%7D" id="TexFormula1" title="\frac{3/7}{7\sqrt{10}

VashaNatasha [74]

Multiply the numerator and denominator by 7×2 = 14 to eliminate the denominators of those fractions:

$\dfrac{\dfrac37}{\dfrac{7\sqrt{10}}2}\times\dfrac{14}{14}=\dfrac{3\times2}{7\sqrt{10}\times7}=\dfrac6{49\sqrt{10}}$

Rationalize the denominator by multiplying both numerator and denominator by √10:

$\dfrac6{49\sqrt{10}}\times\dfrac{\sqrt{10}}{\sqrt{10}}=\dfrac{6\sqrt{10}}{49(\sqrt{10})^2}=\dfrac{6\sqrt{10}}{49\times10}=\dfrac{6\sqrt{10}}{490}$

Lastly, cancel the common factor of 2 in both the numerator and denominator (which comes from 6 = 2×3 and 490 = 2×245):

$\dfrac{6\sqrt{10}}{490}=\dfrac{3\sqrt{10}}{245}}$

8 0

3 years ago