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hoa [83]
2 years ago
8

Please help for brainliest!! 45 POINTS !!

Mathematics
2 answers:
maxonik [38]2 years ago
8 0
I think the answer is B
tamaranim1 [39]2 years ago
3 0

Answer:

C.They are not congruent

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Samantha needs 4/5 yard of fabric to make costumes for the school play. Write and solve and equation to find how many costumes s
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

Samantha needs 4/5 yard of fabric to make costumes for the school play.

Let x represent the number of yards of fabric that she has

Let y represent the total number of costumes that she can make from x yards of fabric.

Since one costume require 4/5 yards of fabric, y costumes will require

x ÷ 4/5 = x×5/4 = 5x/4

The equation will be

y = 5x/4

to find how many costumes she can make with 8 yards of fabric, it becomes

y = (5×8)/4

y = 40/4 = 10

5 0
3 years ago
What does 3(1+x)-5=3x-2 equal ?
lesantik [10]

Answer:

0

Step-by-step explanation:

Theres different ways you can solve this but the way I did it both sides were equal to eachother.

4 0
3 years ago
What is the equation of the line that passes through the point (−3,4) and has a slope of 1 ?
Juli2301 [7.4K]

Answer:

y = x + 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 1, thus

y = x + c ← is the partial equation

To find c substitute (- 3, 4) into the partial equation

4 = - 3 + c ⇒ c = 4 + 3 = 7

y = x + 7 ← equation of line

4 0
3 years ago
Read 2 more answers
Sophia is 6 years older than her brother Eric. The sum of their ages is 28
Step2247 [10]

Answer:

Sophia is 17 years old. Sophia's brother is 11 years old.

Step-by-step explanation:

7 0
3 years ago
Round 398.223 to the nearest ten
Rufina [12.5K]

Answer:

400

Step-by-step explanation:

Method for rounding:

Look at the number 1 place before the place you are rounding to.

If it is greater than 4: round up

otherwise: round down.

Ok,

here the number we're looking at is 8 cuz' 8 is in the ones place.

8 is bigger than 4 so we round up.

398.223 becomes 400

6 0
3 years ago
Read 2 more answers
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