emilyyy23356 emilyyy23356

01-10-2020
Mathematics

contestada

What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
2.5
2.8
9.25
10.75

Respuesta :

blinkybonky blinkybonky

01-10-2020

Step-by-step explanation:

5×0.3+2y=20

5×0.3= 1.5

1.5+2y=20

1.5+2y÷2=20÷2

1.5y=10

y=0.15

Answer Link

ainanajwa29 ainanajwa29

01-10-2020

Answer:

y= 9.25

Step-by-step explanation:

5x + 2y = 20

2y = 20 - 5(0.3)

2y = 20 - 1.5

y = 20/2 - 1.5/2

y = 10 - 0.75

y = 9.25

Answer Link

Otras preguntas

There are 10 boys and 6 girls. How many ways are there to choose 8 people to get at most girls

state three differences between text data and number data

Brianna made cookies. She used 5/8 of a cup of flour and 1/2 of a cup of sugar. How much more flour than sugar did Brianna use? Write your answer as a fraction

An architectural drawing lists the scale as 1/4" = 1'. If a bedroom measures 3 1/2" by 5 1/4" on the drawing, how large is the bedroom? A. 20 ft by 30 ft B. 7ft

4. Which event is used to move from one textbox to another through enter a) Key Click b) Key Enter c) Key Down d) Key Select

To determine whether there is a relationship between the type of school attended and verbal reasoning scores for Irish students, three samples with 25 students,

Which of the following equations is of a parabola with a vertex at (1, 2)? O y = (x - 1) 2 - 2 Oy= (x - 1)2 + 2 O y = (x + 1)2 - 2 O y = (x + 1)2 + 2

The area between z=.34 and z=1.93

From the observation deck of a skyscraper, Isabella measures a 67 angle of depression to a ship in the harbor below. If the observation deck is 824 feet high,

Find the measure of the missing angle. 156° a =