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seraphim [82]
3 years ago
7

Jacob Is Twice as old as Sue. The sum of their ages is 69 years. How old is Jacob?

Mathematics
1 answer:
NemiM [27]3 years ago
7 0
x-Sue\\2x-Jacob\\\\x+2x=69\\\\3x=69\ \ /:3\\\\x=69:3\\\\x=23-Sue\\\\2x=2\cdot23=46-Jacob\\\\Answer:Jacob\ is\ 46.
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The table shows the colors of Ms. Beal’s pens and how many of each she has.
ale4655 [162]

Answer:

2:1

Step-by-step explanation:

12 divided by 6 = 2

6 divided by 6 = 1

2:1

7 0
3 years ago
What is the solution to the inequality -3x-42>3
Mrac [35]

Answer:

X<-15

Step-by-step explanation:

-3x-42>3 collect like terms

-3x>3+42

-3x>45 divide both side by -3

X<-15

Hint ; when you divide both side by a negative sign, the sign changes.

5 0
3 years ago
Determine the area of the rectangle at the bottom of the rectangular prism(height 15 cm,length 5 cm ,width 2 cm​
marin [14]

the answer is 10 cm

Step-by-step explanation:

area= L×H

5×2

4 0
3 years ago
Help<br><br> Please<br> See the picture
earnstyle [38]

Answer:

\frac{4}{3}\sqrt{3}

Step-by-step explanation:

the ratio of sides of a 30-60-90° triangle, respectively, are 1 : \sqrt{3} : 2

we can solve for 'x' using this proportion:

x/4 = 1/\sqrt{3}

now cross-multiply:

\sqrt{3}x = 4

x = 4/\sqrt{3}

we don't want to leave a radical in the denominator so we can multiply numerator and denominator by \sqrt{3} to get:

4\sqrt{3} / 3 or \frac{4}{3}\sqrt{3}

7 0
3 years ago
Abe real estate is developing 15 solar homes per states. If the cost of each home is estimated at 80,000 what’s the projected co
Soloha48 [4]

Answer:

the Total cost= 1,200,000*number of states

Step-by-step explanation:

Given the  cost of each home is $80,000

The number of homes per state are 15

The Total cost of the project is = (Total number of houses per state) * (cost of each house) * (the number of states).

Therefore the total cost =15*80000*Number of states.=1,200,000*number of states

3 0
4 years ago
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