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stiv31 [10]
2 years ago
9

Please help me with this asap

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
3 0

Answer:

C

Step-by-step explanation:

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HELP ASAP!!!!!!!!!!!!!
OLEGan [10]

Answer:

∠ABC=90°

Step-by-step explanation:

if ∠DAB =110 then ∠BAC =180-110 =70° because straighht lines make 180°∠s

use the fact that the sum of angles in a Δ is 180°

∠ABC= 180-20-70= 90

7 0
3 years ago
Heather is making a blanket for her baby and is going to put a ribbon border around it. The blanket will be 3 feet by 5 feet. Th
mote1985 [20]

Answer:

The approximate total cost for the blanket is $10.08 ⇒ B

Step-by-step explanation:

The formula of the area of a rectangle is A = L × W

The formula of the perimeter of a rectangle is P = 2(L + W)

where:

  • L is the length of the rectangle
  • W is the width of the rectangle

∵ The baby blanket shaped a rectangle

∵ The dimensions of the blanket are 3 feet and 5 feet

- Find the area of the blanket

∵ A = 3 × 5 = 15 feet²

- Change feet to yard because the cost is by square yard

∵ 1 foot = \frac{1}{3} yard

∴ 1 foot² = (\frac{1}{3})^{2}=\frac{1}{9} yard²

∴ 15 feet² = 15 × (\frac{1}{9}) = \frac{5}{3} yards²

∴ The area of the blanket is  \frac{5}{3} yards²

∵ The fabric cost of the blanket is $1.25 per square yard

∴ The fabric cost =  \frac{5}{3} × 1.25

∴ The fabric cost = 2.08333 dollars

∵ Heather is going to put a ribbon border around it

- The length of the ribbon is equal to the perimeter of the blanket

∵ P = 2(3 + 5) = 16 feet

∴ The length of the ribbon is 16 feet

∵ The cost of the ribbon is $0.5 per foot

∴ The cost of the ribbon = 16 × 0.5

∴ The cost of the ribbon = 8 dollars

Now add the fabric cost to the ribbon cost to find the total cost of the blanket

∵ The total cost = 2.08333 + 8

∴ The total cost = 10.08333

- Round it to the nearest cent

∴ The total cost = 10.08 dollars

The approximate total cost for the blanket is $10.08

7 0
3 years ago
What is 4 + 4?
Pani-rosa [81]

Answer:

8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What property does the number sentence show? 8+0=8
zubka84 [21]
Identity Property of Zero!
I hope this helps xD
7 0
3 years ago
Read 2 more answers
Help pls, will choose brainliest if explanation is provided
Nookie1986 [14]

Answer:

solve \: when \: (f + g) \:(4) \\   \\ first \: solve \: for \: f(x) \\ \:  \\  solution  \: .... \\  \\ f(x) = 4x - 3 \\ f(4) = 4(4) - 3 \\ f(4) = 16 - 3 \\ f(4) = 13 \\  \\  \\ now \: solve \: for \: g(x) \\  \:  \\ solution \: .... \\  \\ g(x) =  {x}^{3}  + 2x \\ g(x) =  {(4)}^{3}  + 2(4) \\ g(x) = 64 + 8 \\ g(x) = 72 \\  \\ (f) - (g) = 13 - 72 \\ (f) -(g) = -59

8 0
2 years ago
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