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Alex777 [14]
3 years ago
15

WILL UPVOTE ALL

Mathematics
1 answer:
juin [17]3 years ago
7 0
D because the others all equal to 240 but D is 200.
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Marla did 65 set ups each day for a week use the distributive property to show an expression you can use to find the total numbe
Maslowich
<span>X = 65(7) 
X = 455
Marla did 455 sit-ups in a week</span>
5 0
3 years ago
The weight of an elephant is 103 times the weight of a cat. If the elephant weighs 14,000 pounds, how many pounds does the cat w
professor190 [17]

Answer:

135.92 lbs that's a big cat

Step-by-step explanation:

14,000 divided by 103

4 0
3 years ago
Need help please can you give answer with working out i can not answer as it is quite gard
Elis [28]

Step-by-step explanation:

\text{Given:}\\\\AB=3x-4\\AC=2x+12\\BC=7x-2\\AB:AC=1:2\Rightarrow(3x-4):(2x+12)=1:2\\\\\dfrac{3x-4}{2x+12}=\dfrac{1}{2}\qquad\text{cross multiply}\\\\(3x-4)(2)=(2x+12)(1)\qquad\text{use the distributive property}\\\\(3x)(2)+(-4)(2)=2x+12\\\\6x-8=2x+12\qquad\text{add 8 to both sides}\\\\6x-8+8=2x+12+8\\\\6x=2x+20\qquad\text{subtract}\ 2x\ \text{from both sides}\\\\6x-2x=2x-2x+20\\\\4x=20\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{20}{4}\\\\x=5

\text{Put the value of}\ x\ \text{to}\ AC\ \text{and}\ BC:\\\\AC=2(5)+12=10+12=22\\\\BC=7(5)-2=35-2=33\\\\AC:BC=22:33=\dfrac{22}{33}=\dfrac{22:11}{33:11}=\dfrac{2}{3}=2:3

4 0
3 years ago
PLAESE HELP
ankoles [38]

Ok well let's start with line 1:

(x + 2)(x - 3) = x^2 - x - 6 (this works so far)
(x + 0.5)^2 - 6.25 = x^2 + x + 0.25 - 6.25
= x^2 + x - 6 (this is not equal to x^2 - x - 6 so Line 1 is not an answer)

Now for line 2:


(x + 1)(x - 2) = x^2 - x - 2 (this works so far)
(x - 0.5)^2 - 2.25 = x^2 - x + 0.25 - 2.25
= x^2 - x - 2 (this also works)
Therefor Line 2 only is the answer
4 0
4 years ago
Read 2 more answers
How did the growth of the United states threaten Spain's hold on Texas ​
lilavasa [31]

Answer:

the western  boundary included the rio grande river

Step-by-step explanation:

go back in the secion 3 video it explains it

5 0
4 years ago
Read 2 more answers
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