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Naddik [55]
3 years ago
3

What is the value for y? Enter your answer in the box. y =

Mathematics
1 answer:
Neporo4naja [7]3 years ago
4 0

Answer:

y = 1

Step-by-step explanation:

y = 1 because y is the variable consent set to one because you only have ONE "Y".

Brainliest please!!

- Pricespidey

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PLEASE HELP!!
DENIUS [597]

Step-by-step explanation:

If Omar has $350 to spend on the garden he is designing, then he has possibility to buy 11 triangle stones and 26 border pieces, if the construction look like below, because 20×11 + 5×26 = 350.20×11+5×26=350.

So, the length of the path is 11×3 = 33 units, if the length of a side of such triangle is 1 unit.



8 0
3 years ago
50 POINTS!!! Word problem.
oksano4ka [1.4K]
Let d = # of dimes
Let q = # of quarters
45 = d + q
.1d + .25q = 8.40
Then we can use the substitution method and make it so that d = 45 - q.
Then plug in the value for d into the second equation.
.1(45-q)+.25(q)=8.40
4.5-.1q+.25q=8.40
4.5+.15q = 8.40
.15q = 3.90
q = 26
d = 45 - 26 = 19
26 quarters
19 dimes
4 0
3 years ago
Read 2 more answers
Mr. Ratchett, an elderly American, was found murdered in his train compartment on the Orient Express at 7 AM. When his body was
lubasha [3.4K]

Answer:

Time of Death = 2 : 49 : 45 AM

Step-by-step explanation:

The formula for Newton's Law of Cooling is written as follows:

dT/dt = - K(T - Ts)

where,

dT = change in temperature

dt = time interval

K = cooling constant

T = Final Temperature of object

Ts = Surrounding Temperature

First, we will use the data of cooling of body from 28°C to 27°C to find the cooling constant of the body:

dT = 27°C - 28°C = -1°C

dt = 1 hr = 3600 s

K = ?

T = 27°C

Ts = 22°C

Therefore,

-1 °C/3600 s = - K(27 °C - 22 °C)

K = 1 °C/(3600 s)(5 °C)

K = 5.55 x 10⁻⁵ /s

Now, we use data for cooling of body from 37 °C to 28 °C to find the time of death:

dT = 28°C - 37°C = -5°C

dt = ?

K = 5.55 x 10⁻⁵ /s

T = 28°C

Ts = 22°C

Therefore,

- 5 °C/dt = - (5.55 x 10⁻⁵ /s)(28 °C - 22 °C)

dt = 5 °C/(5.55 x 10⁻⁵ /s)(6 °C)

dt = 1.5 x 10⁴ s

dt = 4.17 h = 4 h 10 min 15 s

Therefor,

Time of Death = 7 : 00 : 00 AM - 4 : 10 : 15

<u>Time of Death = 2 : 49 : 45 AM</u>

3 0
3 years ago
Solve by using Elimination.
Sonja [21]

Answer:

using elimination method:

final answer: (-4,-5)

have a nice day!

6 0
3 years ago
Read 2 more answers
If two opposite sides of a quadrilateral are perpendicular and congruent, then the quadrilateral is a parallelogram.
nevsk [136]
I think this is false because two opposite sides can't be perpendicular (creating a 90 degree angle) because opposite sides are parallel.
3 0
4 years ago
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