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bezimeni [28]
3 years ago
5

Someone please help I really don't know this and I need to submit it

Mathematics
1 answer:
nekit [7.7K]3 years ago
5 0
It would be the second and third one.
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The sum of two numbers is 45 and the difference is 3. What are the numbers?​
AVprozaik [17]

Answer:

24 and 21 are the two numbers

Step-by-step explanation:

let n represent the unknown number

let n-3 represent the second unknown number

n+n-3 = 45

2n-3=45

2n=45+3

2n=48

n=48/2

n=24

n-3=21

CHECK: 24+21=45

.˙. the first number is 24 and the second number with a difference of 3 is 21

5 0
3 years ago
Enter the unknown value that makes this statement true <br> 40% of ______ is 60
SpyIntel [72]
40% of 150 is 60. That’s math
7 0
3 years ago
Read 2 more answers
Which quadrilaterals always have opposite angles that are congruent
horsena [70]

Answer:

(1) Parallelogram A parallelogram is a quadrilateral with two

sets of parallel sides. The opposite or facing sides of a

parallelogram are of equal length, and the opposite angles of a

               

(2) Square

A square is a regular quadrilateral. This means that is has four

equal sides and four equal angles.

(3) Rhombus                                                                                                                                                A rhombus is a quadrilateral whose four sides all have the same

length. Opposite angles of a rhombus have equal measure. The two

diagonals of a rhombus are perpendicular.

(4) Rectangle

A rectangle normally refers to a quadrilateral with four right

angles.

Parallelogram

Step-by-step explanation:

6 0
3 years ago
Benny bought six new baseball trading cards to add to his collection . The next day his dog ate half of his collection. There ar
KIM [24]
90 because if his dog ate half his cards and benny had 45 left that means 45 times two equals 90 because the dog ate HALF of 90
3 0
3 years ago
The table shows the prices of various grocery items what is the cost of three cans of chicken broth and two cans of vegetable so
Tamiku [17]

Answer:

what table add a picture of it!

Step-by-step explanation:

6 0
3 years ago
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