1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
irina1246 [14]
3 years ago
6

PLease help!!!!!!!!!!!!!!!!!!!!!!1

Mathematics
2 answers:
Andrew [12]3 years ago
5 0
4(5x-20)=-20
20x-80=-20 ======> Add 80 to both sides
20x-80+80=-20+80
20x=60======> Divide both sides by 20
20/20x=60/20
x=3
schepotkina [342]3 years ago
3 0
4(5x-20)= -20

20x-80= -20
      +80  +80
____________

20x=60
_______
      20

x=3
You might be interested in
Which of the following is an equation of a line perpendicular to the equation
arlik [135]
B is the answer ma brutha
5 0
2 years ago
Plz help!! Given: DE is a midsegment of ABC. Show all work.
topjm [15]

Answer:

AC=14

X=10

Y=1

Hoped this helped!

Step-by-step explanation:

DE is half of BC, therefore x=10. AE and EC have to be the same length, which is 7. SO, y=1 and x is 10.

5 0
2 years ago
Draw a number line and mark all described points on it.
enot [183]

Answer:

<em>See attached</em>

<u>Numbers are either negative or greater tan 5:</u>

  • x < 0 and x > 5
  • or
  • x = (-∞, 0) ∪ (5, +∞)

7 0
3 years ago
Read 2 more answers
Cual es el resultado de (7.006×10⁴¹)×(5.09×10²²)<br><br>​
Murljashka [212]

Answer:

El resultado de (7.006×10⁴¹)×(5.09×10²²)=3.566054*10⁶⁴

Step-by-step explanation:

La notación científica es una manera rápida de representar un número utilizando potencias de base diez.

Los números se escriben como:

a*10ⁿ

donde:  

  • a es un número real mayor o igual que 1 y menor que 10.
  • n es un número entero, que recibe el nombre de exponente u orden de magnitud. Representa el número de veces que se desplaza la coma. Siempre es un número entero, positivo si se desplaza a la izquierda, negativo si se desplaza a la derecha.

Para realizar la multiplicación con notación científica, debes multiplicar las magnitudes afectadas por las potencias de 10 y, por separado, multiplicar las potencias de 10, recordando la propiedad:

  • Si dos bases son iguales (el mismo número o variable), y son los factores de una multiplicación, ambas bases quedan en una sola y sus exponentes son sumados: xᵃ*xᵇ= xᵃ⁺ᵇ

En este caso:

(7.006×10⁴¹)×(5.09×10²²)=(7.006*5.09)*(10⁴¹*10²²)=35.66054*10⁴¹⁺²²= 35.66054*10⁶³

Siguiendo el formato a*10ⁿ, debes ajustar el valor de la base a de manera que sea un número real mayor que 1 y menor que 10. Entonces, se mueve la coma decimal hacia la izquierda tantos espacios hasta llegar a la derecha del primer dígito.  Y se escribe la base 10, al cual el exponente se suma la cantidad de espacios que se mueve la coma, que es un número positivo porque la coma se desplaza a la izquierda.

Entonces 35.66054*10⁶³= 3.566054*10⁶⁴

<u><em>El resultado de (7.006×10⁴¹)×(5.09×10²²)=3.566054*10⁶⁴</em></u>

4 0
3 years ago
A 20.0 kg sled is being pulled across a horizontal surface at constant velocity. The pulling force has a magnitude of 80.0N and
SSSSS [86.1K]
U = F/R = 80/200cos30
u = 80/100√3
u= 0.46
7 0
4 years ago
Other questions:
  • May someone help me?
    9·1 answer
  • What is the sum of the last four terms of the series 7+9+11+...+21
    5·1 answer
  • How to solve this with working out please.
    10·2 answers
  • E^loge^2^16 or in other words e to the power of log base e squared to the power of 16
    10·1 answer
  • Can someone explain how to do this?
    15·1 answer
  • Two parallel lines are crossed by a transversal. Horizontal and parallel lines b and c are cut by transversal a. At the intersec
    10·2 answers
  • The function y = |x + 5| is vertically compressed. Which of the following could represent the new function?
    11·1 answer
  • 700 students attend Ridgewood Junior High School. 25% of students bring their
    10·2 answers
  • Solve for x.<br> 8 + x = -4<br> Answer:
    10·2 answers
  • 4 people are going to a dinner party. Each person at the party will eat 5/6 pound of salad but you can only buy in pounds.If you
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!