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11111nata11111 [884]
3 years ago
11

-5,-7 reflected across the x-axis

Mathematics
1 answer:
MakcuM [25]3 years ago
4 0

Answer:

-5,7

Step-by-step explanation:

please make me brainiest thx

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Please help I am stuck and this is due tomorrow I will give brain list.
Alinara [238K]
Slope = rise/run.
slope = change in y/change in x.
slope = (4-2)/(7-4)
slope = 2/3.
6 0
3 years ago
A highway between points A and B has been closed for repairs. An alternative route between there two locations is to travel betw
Kitty [74]

Answer:

The value of Y is 24 km and distance from A to C to B is AC+Y=18+24=42 km

Step-by-step explanation:

Given that A highway between points A and B has been closed for repairs. An alternative route between there two locations is to travel between A and C and then from C to B. we have to find the value of Y and the total distance from A to C to B. Let AB=Z

In ΔBCD and ΔABD

∠BCD=∠ABD       (∵each 90°)

∠D=∠D                 (∵common)

By AA similarity, ΔBCD~ΔABD

∴ their corresponding sides are proportional

\frac{Y}{Z}=\frac{X}{40}=\frac{40}{18+X}

Comparing last two terms, we get

\frac{X}{40}=\frac{40}{18+x}

⇒ X(18+X)=1600

⇒ 18X+X^2=1600

⇒ X^2+18X-1600=0

⇒ X^2-32X+50X-1600=0

⇒ (X-32)(X+50)=0

Hence, the roots are X=32, -50

X=-50 not possible as distance can never negative.

Hence, X=32 km

By applying Pythagoras theorem in ΔBCD we get

BD^2=BC^2+CD^2

40^2=Y^2+32^2

⇒ Y^2=1600-1024=576

⇒ Y=\sqrt576=24km

Hence, the value of Y is 24 km and the distance from A to C to B is AC+Y=18+24=42 km




5 0
4 years ago
Describe the transformation that maps the pre-Image A to the image A'.
Contact [7]
The answer would be B my dude.

5 0
4 years ago
Read 2 more answers
Cada material en sus distintos estados de agregacion, cambia de volumen de forma diferente, sin embargo todos lo hacen en cierta
meriva

La respuesta correcta para esta pregunta abierta es la siguiente.

Aunque no se anexaron opciones o incisos para contestar, podemos comentar lo siguiente.

Cada material en sus distintos estados de agregación, cambia de volumen de forma diferente, sin embargo todos lo hacen en cierta medida. A esta propiedad se le llama Estados de Agregación de la Materia.

Las substancias cambian su composición debido a la presión o al cambio de temperatura a la que son sometidos. A ese proceso se le conoce como el estado de agregación de la materia, cuando las moléculas y átomos que constituyen esa matera se ve sometido a una transformación en su composición.

Podemos reconocer comúnmente cuatro estados de transformación de la materia, que son, el estado de plasma, el estado gaseoso, el estado líquido y el estado sólido

4 0
3 years ago
Log(√(10)) + log(0.01)<br>explain how to solve without calculator please.
AleksandrR [38]
Since nothing different is shown, we can assume that these logs
are to the base 10.

So the log of a number means:
In order to get that number, what power do you raise  10  to ?

log(√10) = 1/2 . . . . . (10 to the 1/2 power produces √10)

log(0.01) = -2 . . . . . (10 to the -2 power means 1/10² and produces 0.01)

So the sum of those two logs is  (1/2) + (-2) = <u>-(1 and 1/2) </u>.
8 0
4 years ago
Read 2 more answers
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