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aleksandrvk [35]
3 years ago
10

Please help ill give brainiest answer

Mathematics
1 answer:
Ugo [173]3 years ago
4 0

Answer:

2x +2x=90

ZRQ

Step-by-step explanation:

FOR THE FIRST ONE, SUM OF ANGLES IN A TRIANGLE IS 180 AND SINCE WE KNOW ONE ANGLE IS 90° THE REST WOULD ADD UPTO 90°

THE SECOND ONE, JUST FOLLOW THE SEQUENCE OF THE MARKED LINES

for XYZ they went from the unlabeled line to the double marked line to the single marked line. similarly go for ZRQ

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Please help, will mark brainliest, do not do for points or I will report, explanation please or no brainliest
sladkih [1.3K]

Answer:

to multiply-----

(2y-1)(2y+1)

2y(2y+1)-1(2y+1)

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4 0
3 years ago
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If trinalge abc= def by side-side-side triangle congruence theorem, then b=e by
Anna007 [38]

Answer: D: Corresponding parts of congruent triangles are congruent


Step-by-step explanation:

If two triangle are congruent using postulate of theorems of congruence then their corresponding parts are congruent by CPCTC rule.

The CPCTC rule says that if two triangles are congruent then their each corresponding part whether angles or sides must be equal.

Here if triangle abc= def by side-side-side triangle congruence theorem,

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6 0
3 years ago
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2abc - 3ab if a=2 b=-3 and c=4
Margarita [4]
2abc - 3ab ║ 2 (2) (3) (4) - 3 (2) (3)

You would multiply and the products - you are going to subtract
2 × 2 × 3 × 4 = 48
3 × 2 × 3 =     - 18
                    -------
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2 years ago
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You answer is D. Not including set-up costs, Jerry's T-shirts charges less for each T-shirt printed than Shirts Unlimited.
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2 years ago
Kira needs 28 strawberries for every 4 smoothies she makes.
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Answer:

21

Step-by-step explanation:

28/4=7 (So it is 7 strawberries for every smoothie)

7*3=21

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2 years ago
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