HELP ME ASAP PLEASE AND TY!!!!

Mathematics

2 answers:

inna [77]3 years ago

5 0

The correct answer is130

Nonamiya [84]3 years ago

3 0

The answer would be 130 degrees . Can I have brainliest plz?

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39x38 multiply using partial prodcuts

yKpoI14uk [10]

39 x 10
= 390

39 x 40 (390 x 4)
= 1,560

39 x 2
= 78

1,560 - 78
= 1,482

ANSWER: 1,482

4 0

3 years ago

PLEASE HELPPPPPP<br><br> can I get a real-life example of an exothermic reaction?

77julia77 [94]

Answer:

<h3>When an ice cube tray, filled with water is placed in a freezer, it slowly loses heat and start to cool down to become ice cubes. Changing of water into an ice cube is an exothermic reaction. Snow formation in clouds is also an exothermic reaction. Clouds come into existence from condensation of water vapor.</h3>

4 0

2 years ago

Sum of one-half of a number and 4 is -16. find the number

Lady_Fox [76]

X is the number
sum means add

sum of half a number and 4 means
(x/2)+4
result is -16

(x/2)+4=-16
minus 4 both sides
x/2=-20
times 2 both sides
x=-40
the number is -40

5 0

3 years ago

Please help

ASHA 777 [7]

Answer:

(-6,4)

Step-by-step explanation:

The equations are:

$x^2+4y^2=100\\4y-x^2=-20$