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RideAnS [48]
3 years ago
13

Evaluate the expression if x = –8, y = 7, and z = –11. x – z

Mathematics
1 answer:
hichkok12 [17]3 years ago
3 0

Answer:

3

Step-by-step explanation:

You plug it in.

X-Z when everything is plugged in is -8-(-11)

A negative minus a negative equals a positive.

Your answer is 3.

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Simplify 8(xy + 8) + 1. 8xy + 9 8xy + 65 8xy + 73
mixer [17]

64x2y2 the twos are powers of ten so you put them up top.

8 0
4 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST!!!! Calculate cos M if a= 4, b= 12.5, c= 13.1244 **Round your answer up to four decimal places.
kompoz [17]

Answer:

cosM ≈ 0.3048

Step-by-step explanation:

remember SOH CAH TOA = sine: opposite/hypotenuse; cosine: adjacent/hypotenuse; tangent: opposite/adjacent

cos = CAH

cosM= a / c

cosM = 4.0 / 13.1244

cosM = 0.30477

cosM ≈ 0.3048

7 0
3 years ago
D) A painting originally priced at $300 sold for $400. x 100 = % increase or decrease? In order from greatest to least:
Olenka [21]
(400-300)/300 x 100 = 100/300 x 100 = 33.33% increase
6 0
3 years ago
Tess saids this shape is a rhombus. Jack says the shape is a square. Who is correct?
azamat

Tess and Jack are both correct with their claims

<h3>How to determine who is correct?</h3>

The attached image completes the question

From the complete question, we have the following highlights

  • The shape has equal side lengths
  • The angles at the vertices of the shape are right angles

The above properties represent a square

A rhombus can also have the above properties when the vertices are at 90 degrees

Hence, Tess and Jack are both correct with their claims

Read more about squares and rhombus at:

brainly.com/question/20627264

#SPJ1

4 0
2 years ago
A catering service offers 7 appetizers, 8 main courses, and 11 desserts. A banquet chairperson is to select 5 appetizers, 5 main
adelina 88 [10]
Number of ways = 7C6*11C7*5C2 
<span>= 7*330*10 </span>
<span>= 23100</span> <span>C(7, 6)*C(11, 7)*C(5, 2) = 23,100

</span>
7 0
3 years ago
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