All categories

2 years ago

What is 5x-9+2-4=9.4

Mathematics

1 answer:

Dominik [7]2 years ago

4 0

Answer:

x=5.1

Step-by-step explanation:

5x-9+2-4=9.4

5x=9.4+4-2+9

5x=20.4

x=5.1

You might be interested in

Eva was driving down a road and after 4 hours she had traveled 90 miles. At this

irinina [24]

Step-by-step explanation:

270/90*4 = T

T = 3*4

T = 12 hours

8 0

2 years ago

Solve the system substitution y= 4x + 1 and 3x+2y =13

strojnjashka [21]

Given :

${\qquad \sf \dashrightarrow y= 4x + 1 \: –––– \sf \: (i)}$

${\qquad \sf \dashrightarrow 3x + 2y = 13 \: –––– \sf \: (ii)}$

Now, Substituing the value of y in equation (ii) :

${\qquad \sf \dashrightarrow \: 3x + 2y = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 2(4x + 1) = 13 }$

${\qquad \sf \dashrightarrow \: 3x + 8x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x + 2 = 13 }$

${\qquad \sf \dashrightarrow \: 11x = 13 - 2 }$

${\qquad \sf \dashrightarrow \: 11x = 11 }$

${\qquad \sf \dashrightarrow \: x = \dfrac{11}{11} }$

${\qquad \sf \dashrightarrow \bf \: x = 1 }$

Now, substituting the value of x in equation (i) :

${\qquad \sf \dashrightarrow y= 4x + 1}$

${\qquad \sf \dashrightarrow y= 4(1) + 1}$

${\qquad \sf \dashrightarrow y= 4 + 1}$

${\qquad \bf \dashrightarrow y= 5}$

8 0

2 years ago

This diagram shows a pre-image △ABC , and its image, △A′′B′′C′′ , after a series of transformations.

Stella [2.4K]

First ABC is reflected across the y axis to become A'B'C'

Then A'B'C' is rotated 90 counterclockwise about the origin to make it A"B"C"

Because the transformations are both rigid, the pre-image and image are congruent

Hope this helped

8 0

3 years ago

Read 2 more answers

-2 2/3, -5 1/3, -10 2/3, -21 1/3, -41 2/3 Which formula can be used to describe the sequence?

Gelneren [198K]

Each term is double the one before it, so the appropriate choice is ...

... D. f(x+1) = 2f(x)

7 0

3 years ago

Read 2 more answers

A recipe calls for 1/3 of a cup of milk for 12 cookies. How many cups of milk are needed to make 72 cookies?

uysha [10]

2 cups of milk would be needed to make 72 cookies

7 0

3 years ago