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3 years ago

HELP DUE SOON please be SPECIFIC on which one is RIGHT Will give BRANLIEST

Mathematics

1 answer:

daser333 [38]3 years ago

6 0

Answer: wut does B, C, and D look like

Step-by-step explanation: so imma go with C or D

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<3 and <4 are supplementary angles. Given m<3 = 56°, find m<4.

liubo4ka [24]

m<3=56°
m<4=?

Both are supplementary angles.

$\\ \rm{:}\twoheadrightarrow m$

$\\ \rm{:}\twoheadrightarrow 56+x=180$

$\\ \rm{:}\twoheadrightarrow x=180-56$

$\\ \rm{:}\twoheadrightarrow x=124$

7 0

3 years ago

A chef has 6 cups of berries and will use 2/3 cup of berries for each serving of fruit salad. How many servings can be made? ple

Thepotemich [5.8K]

Has 6 cups of berries

2/3 cup of berries for each serving

Number of servings = 6 ÷ 2/3
6 × 3/2 = 3*3 = 9 When ÷ changes to × invert the fraction.

Number of servings = 9

8 0

3 years ago

As the carbon content in steel increases, its ductility tends to decrease. A researcher at a steel company measures carbon conte

mixer [17]

Answer:

d. -5.666 to -0.926

Step-by-step explanation:

Here a pivotal quantity is $T = \frac{\hat{\beta_{1}}-\beta_{1}}{se(\hat{\beta_{1}})}$ where $\beta_{1}$ is the true slope of the regression equation (unknown), $\hat{\beta_{1}}$ is its least square estimate and $se(\hat{\beta_{1}})=1.097$ is its estimated standard error. And T has t-distribution with n-2=15-2=13 degrees of freedom (n is the sample size). We have that $\hat{\beta_{1}} = -3.30$ , and because we want the 95% confidence interval, we should use the 2.5th quantile of the t distribution with 13 df, this value is -2.16 and the 95% confidence intervale is given by $\hat{\beta_{1}}\pm t_{0.025}se(\hat{\beta_{1}})$ , i.e., $-3.30\pm (2.16)(1.097)$ . Therefore, the 95% confidence interval explicitly is (-5.666, -0.926)

6 0

4 years ago

Ionic bonds occur between?

Mademuasel [1]

Answer:

Ionic bonds usually occur between metal and nonmetal ions. For example, sodium (Na), a metal, and chloride (Cl), a nonmetal, form an ionic bond to make NaCl. In a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals.

An ionic bond is held together by the electrostatic attraction between ions that are near one another. Electrostatic attraction is the attraction between atoms that have opposite charge and holds the atoms together in ionic bonds.

5 0

3 years ago

A farm had an area of 35 mi 2 . the farm is 7 miles wide. how long is th farm?

Akimi4 [234]

Answer is 35/7=5
The width is 5 miles long

5 0

3 years ago