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zysi [14]
3 years ago
14

Wanda started walking along a path 27 seconds before Dave. Wanda walked at a constant rate of 3 feet per second. Face walked alo

ng the same path at a constant rate of 4.5 feet per second. Graph the system of linear equations. How long after Dave starts walking will he catch up with Wanda
Mathematics
1 answer:
Paladinen [302]3 years ago
5 0

Answer:

54

Step-by-step explanation:

4.5x=3(x+27)

4.5x=3x+81

1.5x=81

x=54

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What is this?<br> q+2/5 = 2q - 11/ 7<br> Please help.
just olya [345]
<span>We simplify the equation to the form, which is simple to understand
<span>q+2/5=2q-11/7

Simplifying:
<span>q + 0.4=2q-11/7

Simplifying:
<span>q + 0.4=2q-1.57142857143

We move all terms containing q to the left and all other terms to the right.
<span>+1q-2q=-1.57142857143-0.4

We simplify left and right side of the equation.
<span>-1q=-1.97142857143

We divide both sides of the equation by -1 to get q.
<span>q=1.97142857143</span></span></span></span></span></span></span>
4 0
3 years ago
Leslie babysat the Thompson twins for 110 hours during the summer. This was 5 1/2 times as many hours as Tom babysat the twins.
Anvisha [2.4K]
To solve this, you do:
110 divided by 5 1/2.
If you want your answer in fraction form, you do:
110/1 ÷ 11/2 (the improper fraction form)
To multiply, flip the second fraction to change from dividing to mutiplying:
110/1 × 2/11
Multiply across
110 × 2 = 220 and 1 × 11 = 11
220/11
Simplify:
220 ÷ 11 = 20
Tom babysat for 20 hours.

6 0
3 years ago
-2k+5(-45)5x solve plz
kobusy [5.1K]

you keep the 2k

so 5(-45)5x is 5 * -45*5 = -1125

the answer is 2k+-1125x

4 0
3 years ago
Read 2 more answers
The triangles are similar. If DE = 24, EF = 42, and AB = 8, find BC
Alik [6]
If triangle abc is similar to def
That means all angles are the same and sides will be multiplied by some factor x. So AB(x)= DE
8x=24
Therefore x =3
Now BC=EF/x
BC=42/3
BC= 14
3 0
4 years ago
Rose wants to buy a toy that costs $14. If she gives the cashier $20, which equation will tell you how much change Rose gets bac
irga5000 [103]

Answer:

$20-$14=$6

Step-by-step explanation:

this is correct because if you give the $20 to them and the toy costs $14 then you subtract that from the amount you gave them then whatever is left is how much you get back.

brainliest?

4 0
3 years ago
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