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Leni [432]
3 years ago
14

Evaluate the expression 9 – 2 when z = 4.

Mathematics
1 answer:
sineoko [7]3 years ago
7 0
Need more info please or a photo.
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He gave me a extra dayyy!!!
devlian [24]

Answer:

First blank: $5

Second blank: $7.50

Third blank: $11.25

Fourth blank: $13.5

Fifth blank: $15.75

Sixth blank: $18.00

Step-by-step explanation:

Half a number is $2.25, so multiply 2.25 times each half.

First blank:$2.25*2=$5.00

Second blank: $2.25*3=$7.50

Third blank: $2.25*5=$11.25

Fourth blank: $2.25*6=13.50

Fifth blank: $2.25*7=$15.75

Sixth blank: $2.25*8=$18.00

6 0
4 years ago
What is the perimeter of this triangle?<br> ______<br> l_____l
grin007 [14]
16.8.  Perimeter of a triangle is side a+ side b+ side c.
5 0
3 years ago
Read 2 more answers
Rewrite in simplest form<br> 1/8 divide by 3/4
nata0808 [166]
Hello there!

1/8 ÷ 3/4

= 1/8 * 4/3

= 1/24/4

=1/96

= 0.01

I hope this helps!
5 0
4 years ago
In DCAB, If DB=38, What is DC? 38 45 52 112
dedylja [7]

Answer:

C. 52°

Step-by-step explanation:

In ∆CAB, m<A = right angle = 90°

m<B = 38°

m<C + m<A + m<B = 180° (sum of ∆)

m<C + 90° + 38° = 180° (substitution)

m<C + 128 = 180

m<C = 180 - 128 (subtraction property of equality)

m<C = 52°

8 0
3 years ago
Quadrilateral KMPT is dilated by a scale factor of 3/4 to create K'M'P'T'. The perimeter of quadrilateral KMPT is x units. What
777dan777 [17]

Answer:

B) \frac{3}{4} x units

Step-by-step explanation:

Let quadrilateral KMPT be a rectangle with dimensions 12 units by 8 units. Then its perimeter would be equal to:

Perimeter of a rectangle = 2 (l + b)

where: l is the length = 12 units and b is the breadth = 8 units. So that:

Perimeter of KMPT = 2 (12 + 8)

                               = 40 units

Dilating KMPT by a scale factor of \frac{3}{4} would create K'M'P'T' of dimensions; \frac{3}{4} × 12 units by \frac{3}{4} × 8 units. Thus, the dimensions of K'M'P'T' would be 9 units by 6 units.

Perimeter of K'M'P'T' = 2 (l + b)

                                  = 2(9 + 6)

                                  = 30 units

Comparing the perimeters of KMPT and K'M'P'T', the perimeter of K'M'P'T' would be  \frac{3}{4} × perimeter of KMPT.

Therefore, if the perimeter of KMPT is x units, then;

         perimeter of K'M'P'T' = \frac{3}{4} * x units

                                            = \frac{3}{4}x units

6 0
4 years ago
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