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pochemuha
3 years ago
11

Need help with this question

Mathematics
2 answers:
PIT_PIT [208]3 years ago
7 0

Answer:

B. 45

Step-by-step explanation:

we know the sum of both angles is 90 because of the small sqaure in the corner.

90 = 2x+20

70 = 2x

45 = x

blagie [28]3 years ago
7 0

Answer:

35

Step-by-step explanation:

Because of the box in the graph, you can tell that this is a 90-degree angle

2x means the next angle will be twice of the answer choice number

because the end product must be 70 the answer must be 35

35 x 2 = 70

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4,11,18,....<br> what is the 10th value of this sequence
kirill115 [55]
I believe 67 is the correct answer
4 0
3 years ago
the sum of two numbers is 21. the secound number is six times the first number. work out the two numbers?
Assoli18 [71]

The numbers are 3 and 18

Step-by-step explanation:

Step 1: Given details are sum of numbers = 21, let the numbers be x and y. Form equations out of the given details.

⇒ x + y = 21 ---- (1)

⇒ y = 6x --------- (2)

Step 2: Substitute (2) in (1)

⇒ x + 6x = 21

⇒7x = 21

⇒x = 3

  • Step 3: Find the value of y using x

⇒ y = 6 × 3

⇒ y = 18

5 0
3 years ago
2.4 x 102 = ___<br><br> A 2.4<br> B 24<br> C 240<br> D 2,400
Yakvenalex [24]

i think c

Step-by-step explanation:

hope that help

5 0
3 years ago
Read 2 more answers
A jewelry supply shop buys silver chains from a manufacturer for c dollars each, and then sells the chains at a 57-percent marku
Tresset [83]

The amount added to the original price of the jewelery is the Markup price. Hence, the amount added is $16.34

  • Markup = 57% = 0.57
  • Cost of jewellery = c
  • Retail price = $45

Retail price = cost of jewellery + Markup

$45 = c + 0.57c

45 = 1.57c

<em>Divide both sides by 1.57</em>

c = 45/1.57

c = $28.66

The Markup price = (Retail price - Original price)

  • Markup = $45 - $28.66 = $16.34

Therefore, the amount added to the original price is $16.34

Learn more : brainly.com/question/18796573

8 0
3 years ago
-3/1/3 times (-2/7/9)
zheka24 [161]

Answer:

162/7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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