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Blababa [14]
3 years ago
13

The temperature at 7 AM was one Fahrenheit the temperature drops 3° every hour for four hours what temperature at 11 AM

Mathematics
1 answer:
castortr0y [4]3 years ago
7 0

Answer:

-11

Step-by-step explanation:

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What are the zeros of the graphed function y = (x + 3)(x + 5)?
tensa zangetsu [6.8K]
Y=(x+3)(x+5)
0=(x+3)(x+5)
0=x+3
Subtract three on both sides
-3=x
0=x+5
Subtract five on both sides
-5=x
So, -3 and -5 are the zeros of the graphed function.
Hope I helped!
5 0
3 years ago
Read 2 more answers
Log 3 x=4 pls and thx
Fantom [35]

Answer:

D

Step-by-step explanation:

Using the law of logarithms

• log_{b} x = n ⇔ x = b^{n}

given

log_{3} x = 4 ⇒ x = 3^{4} = 81 → D

8 0
3 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the
VladimirAG [237]

Answer:

\boxed{108\sqrt{3}\text{ in}^{2}}

Step-by-step explanation:

An apothem is a perpendicular drawn from the centre of the triangle to one of its sides.

The three apothems OD, OE, and OF divide  ∆ABC into six smaller congruent triangles.

1. Area of ∆OCD

CotOCD = OD/OC

cot30 = CD/6

√3 = CD/6

CD = 6√3

A= ½bh

A = ½ × 6√3 × 6 = 18√3  in²

2. Area of ∆ABC

A = 6 × area of ∆OCD = 6 × 18√3 = 108√3 in²

\text{The area of the triangle is }\boxed{108 \sqrt{3} \text{ in}^{2}}

7 0
3 years ago
Read 2 more answers
The mean age of 3 women in an office is 27 years old.
horrorfan [7]

Answer:

mean age of women

(x+y+z)/3=27

mean age of men

(x1+x2+x3+x4+x5+x6)/6=34

mean age of all people in the office

x+y+z=27*3=81

x1+...x6=34*6=204

so

mean age( x+y+z+x1+x2+..x6)/(3+6)=(27*3+34*6)/9

=(81+204)/9=285/9=32 approximately

4 0
3 years ago
X(4x-3)=0 <br> A. {-3/4, 0} <br> B. {3/4,0} <br> C.{3/4}
svet-max [94.6K]

Answer:

B. {3/4,0}

Step-by-step explanation:

x(4x - 3) = 0 \\ x = 0 \:  \: or \:  \: 4x - 3 = 0 \\ x = 0 \:  \: or \:  \: x =  \frac{3}{4}  \\ x =   \bigg\{ \frac{3}{4},  \:  \: 0  \bigg\}

7 0
3 years ago
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