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Phantasy [73]
3 years ago
11

What is (9j+3)-(2j+6)

Mathematics
1 answer:
enyata [817]3 years ago
3 0
Hope this helps!!!!.....

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the calorie cafe is known for their hotdogs and burgers. the number of calories in a burger is 220 more than the number of calor
meriva

Answer:

  • Number of calories in burger = 620 calories
  • Number of calories in hotdog = 400 calories

Step-by-step explanation:

Number of calories in burger = x

Number of calories in hotdog = y

y = x - 220

x + 2y = 1,420

Substitution:

x + 2 * (x - 220) = 1,420

x + 2x - 440 = 1,420

3x = 1,420 + 440

x = 1,860 / 3

x = 620 calories

y = x - 220

= 620 - 220

= 400 calories

6 0
2 years ago
PLD HELP ME I WILL FAIL PLSx​
elena55 [62]

Answer:

19.4236 is your answer

Step-by-step explanation:

8 0
3 years ago
I really help with this ill mark u brainliest pls
erma4kov [3.2K]

Answer:

m\angle XYW  = (155 - 20x)\degree

Step-by-step explanation:

m\angle XYZ= m\angle XYW +m\angle WYZ\\\\150\degree = m\angle XYW +(20x-5)\degree \\\\150\degree - (20x-5)\degree = m\angle XYW  \\\\(150 - 20x+5)\degree = m\angle XYW  \\\\(155 - 20x)\degree = m\angle XYW  \\\\m\angle XYW  = (155 - 20x)\degree \\\\

7 0
3 years ago
The altitude of a plane is 1,600 ft. What must be the altitude of a submarine so that the sum of their altitudes is 0?
RSB [31]
You must mean the depth of the submarine.

to make  sum = zero the depth of the sub must be -1600 ft..
7 0
3 years ago
Read 2 more answers
In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places?
Ahat [919]

B

C

=

16.17

(

2

d

p

)

c

m

Explanation:

In triangle ABC, side

A

C

=

15

, Angles are

∠

B

=

68

0

;

∠

C

=

24

0

and

∠

A

=

180

−

(

68

+

24

)

=

88

0

We know by sine law

A

C

sin

B

=

B

C

sin

A

or

15

sin

68

=

B

C

sin

88

or

B

C

=

15

⋅

sin

88

sin

68

=

16.17

(

2

d

p

)

c

m

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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