stferguson7 stferguson7

17-06-2021
Mathematics

contestada

Solve the system by substitution.

x=9y
x-5y=20

Respuesta :

SunshineSenpai SunshineSenpai

17-06-2021

Answer:

x-5=20

9y-5y=20

4y=20

4y÷4=20÷4

y=5

x=9y

x=9×5

x=45

Answer Link

yahayamaryam60 yahayamaryam60

17-06-2021

X=9y
9y-5y=20
4y=20
Therefore y=5
Substitute y=5 into eqn 1
X=9*5
X=45

Answer Link

Otras preguntas

Can you help me round these to significant figures (:

Manuel ordered pizza for a party. A vegetable pizza has 6 slices per pie. A cheese pizza has 8 slices per pie. Manuel ordered four times as many cheese pizzas a

When 21 volts are applied the arlent is a amperes. What is the current when 47 volts are applied round to decimal

The graph of y=ax^2+bx+c passes through points (0,5), (1,10), and (2,19). Find a+b+c.

The dimensional formula for specific latent heat is

Determine the value(s) for which the rational expression −12d−110d+5 is undefined. If there's more than one value, list them separated by a comma, e.g. d=2,3.

Which of the following does pascal's Principle help to explain?

Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the next value. Round your final answ

Which option lists and expression that is not equivalent to 4 2/3? 0.25^3/2 (3 √4)^2 3 √16 0.25^-2/3

"Bic, which is widely known for producing ballpoint pens and related writing products, tried to introduce Bic disposable underwear. The reason this new product